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Questions and answers by
mason Mascolino
Questions (552)
Solve the equation by completing the square.
(1 point) Responses 10.35, 1.35 10.35, 1.35 10.35, 10.35, Image with alt text:
1 answer
45 views
Solve the equation by completing the square. (1 point)
10.35, 1.35 10.35, 1.35 10.35, 10.35, Image with alt text: negative 1
1 answer
65 views
Solve the equation by completing the square. (1 point) Responses 10.35, 1.35 10.35, 1.35 10.35, 10.35, Image with alt text:
1 answer
88 views
What is the value of c so that is a perfect-square trinomial? (1 point) Responses 121 121 Image with alt text: 121-fourths Image
1 answer
97 views
Tasha is planning an expansion of a square flower garden in a city park. If each side of the original garden is increased by 7
1 answer
46 views
What are the solutions of the equation? (1 point) Responses 3, 9 3, 9 Image with alt text: 3, negative 9 Image with alt text:
1 answer
31 views
Water is added to two containers for 16 minutes. The equations below model the ounces of water, y, in each container after x
1 answer
63 views
Water is added to two containers for 16 minutes. The equations below model the ounces of water, y, in each container after x
1 answer
80 views
What type of equation will best fit the data below? (1 point) Responses
A. linear B. quadratic c. exponential
1 answer
81 views
What type of equation will best fit the data below? (1 point) Responses
linear quadratic exponential
1 answer
59 views
What type of equation will best fit the data below? (1 point) Responses linear linear quadratic quadratic exponential
1 answer
126 views
Question How many real-number solutions does the equation have? (1 point) Responses
one solution two solutions no solutions
1 answer
80 views
Question How many real-number solutions does the equation have? (1 point) Responses one solution one solution two solutions two
1 answer
173 views
How many real number solutions does the equation have? (1 point) Responses one solution
one solution two solutions infinitely
1 answer
52 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation where x is the
1 answer
123 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation where x is the
1 answer
120 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation where x is the
1 answer
95 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation where x is the
1 answer
110 views
Match the climate with the region it is found in. Each answer is used once.(2 points) Put responses in the correct input to
1 answer
45 views
This person served as a well–known dictator and commander of Chile’s army and ruled the country from 1973 to 1990. (1 point)
1 answer
184 views
Which of the following could be responsible for continued political unrest between the United States and Latin American
1 answer
88 views
Despite the country’s wealth from oil, many Venezuelans (1 point) Responses are becoming less accepting of Chavez because of
1 answer
152 views
Question The United States views Chavez as a threat because (1 point) Responses of his strong relationship with Iran and Cuba.
1 answer
60 views
The United States views Chavez as a threat because (1 point) of his strong relationship with Iran and Cuba. of his verbal
1 answer
64 views
The United States views Chavez as a threat because (1 point) Responses of his strong relationship with Iran and Cuba. of his
1 answer
61 views
Why is Spanish the official language of 9 of the 13 nations of South America? (1 point) Responses It is the original language of
3 answers
91 views
Under what circumstance did Africans come to South America? (1 point) Responses Like the Portuguese and the Spanish, they were
11 answers
105 views
If an ecosystem is irreversibly destroyed, species unable to travel or adapt will(1 point) Responses find additional mates. find
1 answer
55 views
An example of a severe disruption to an ecosystem is(1 point) Responses a thunderstorm that knocks down some trees. a
1 answer
89 views
In a certain forest ecosystem, there are lions who prey on deer. The deer eat grass. Which of the following would be the
1 answer
178 views
Humans built dams, dikes, and levees to control water flow and flooding in the Florida Everglades. This allowed us to expand
1 answer
63 views
The Cuban treefrog invaded Florida in the 1930s and has since spread throughout the southeastern U.S. It produces a “grating
1 answer
57 views
Due to climate change, places that used to be colder are now warming up, allowing new invasive species to establish themselves.
1 answer
52 views
What is species richness?(1 point) Responses the different types of species in an ecosystem the different types of species in an
1 answer
118 views
Coral bleaching affects(1 point)
a. the temperature of the water. b. the acidity of the water. c. the color of the water. d. the
1 answer
77 views
Coral bleaching affects(1 point) Responses the temperature of the water. the temperature of the water. the acidity of the water.
1 answer
151 views
Which is the least likely reason that a seal needs ice cover?(1 point) Responses to reproduce to reproduce to protect itself
1 answer
60 views
There is a history of global temperatures changing, but why is this change different?(1 point) Responses This shift in
1 answer
73 views
What causes ocean acidification?(1 point) Responses Acidic oxygen dissolves in water, lowering the water’s pH. Acidic oxygen
1 answer
99 views
What causes coral bleaching?(1 point) Responses High water temperatures and water acidity cause coral polyps to expel algae,
1 answer
106 views
Which of the following is expected to happen to a species' population when resources are stable over a long period of time and
1 answer
140 views
What is the difference between small, controlled lab experiments versus an ecosystem-scale experiment?(1 point) Responses
a. the
1 answer
141 views
What is the difference between small, controlled lab experiments versus an ecosystem-scale experiment?(1 point) Responses the
1 answer
146 views
The brown tree snake is an invasive species in the island of Guam. The brown tree snake feeds mainly on birds and other animals'
1 answer
180 views
Consider what you know about biotic and abiotic factors in an ecosystem. What is one of the reasons that nutrients in a
1 answer
109 views
Consider what you know about biotic and abiotic factors in an ecosystem. What is one of the reasons that nutrients in a
1 answer
55 views
Consider what you know about biotic and abiotic factors in an ecosystem. What is one of the reasons that nutrients in a
1 answer
95 views
Consider what you know about biotic and abiotic factors in an ecosystem. What is one of the reasons that nutrients in a
1 answer
179 views
Question Match the graph with it's corresponding equation (1 point) Responses
a. y = 2x² b. y = –2x² + 2 c. y = 2x² d. y =
1 answer
86 views
Question Match the graph with it's corresponding equation (1 point) Responses y = 2x²
y = –2x² + 2 y = 2x² y = 3x² – 4
1 answer
140 views
Question Match the graph with it's corresponding equation (1 point) Responses y = 2x²
y = –2x² + 2 y = 2x² y = 3x² – 4
1 answer
60 views
Question Match the graph with it's corresponding equation (1 point) Responses
y = 2x² y = 2 x ² y = –2x² + 2 y = –2 x ² +
1 answer
127 views
Question Match the graph with it's corresponding equation (1 point) Responses y = 2x² y = 2 x ² y = –2x² + 2 y = –2 x ²
3 answers
112 views
Which kind of function best models the set of data points (–3, 18), (–2, 6), (–1, 2), (0, 11), and (1, 27)? (1 point)
1 answer
81 views
Solve the equation using the quadratic formula. (1 point) Responses Image with alt text: lower x equals negative 2 comma lower x
1 answer
85 views
What values of a, b, and c would you use in the quadratic formula for the following equation? (1 point) Responses Image with alt
1 answer
39 views
Suppose a species lives in an ecosystem with unlimited resources and no predators. What is the shape of its population versus
1 answer
74 views
Suppose a species lives in an ecosystem with unlimited resources and no predators. What is the shape of its population versus
1 answer
77 views
Examine the graph. What is the flask’s carrying capacity for rotifers in the presence of water fleas? (1 point) Responses
1 answer
101 views
What is a solution of x² + 6x = –5? (1 point) Responses x = –6 x = –6 x = –1 x = –1 x = 1 x = 1 x = 6 x = 6
1 answer
33 views
Trading between the United States and Canada has been problematic at times due to concern over (1 point) Responses Canada’s
1 answer
96 views
Which statement below is not an economic impact of the North American Free Trade Agreement? (1 point) Responses Elimination of
1 answer
144 views
What is the definition of population?(1 point) Responses all members of a particular species in a specific area throughout time
1 answer
85 views
Question Due to regular changes in the environment, an ecosystem at carrying capacity could be described as(1 point) Responses
1 answer
69 views
Multiple Choice What is the vertex of the parabola? The parabolas passes through the points:
left parenthesis negative 1 comma 0
1 answer
87 views
A group of art students are painting a mural on a wall. The rectangular dimensions of (6x+7) by (8x+5) and they are planning the
1 answer
107 views
A group of art students are painting a mural on a wall. The rectangular dimensions of (6x+7) by (8x+5) and they are planning the
1 answer
102 views
1. The area of a rectangular carpet is given by the trinomial 5x^2 - 3x - 14. What are the possible dimensions of the carpet?
1 answer
73 views
The area of a rectangular garden is given by the trinomial x^2+6x-27. what are the possible dimensions of the rectangle? use
1 answer
71 views
A cylinder has a radius of 5x + 2 and a height of 2x + 8. Which polynomial in standard form best describes the total volume of
1 answer
80 views
1.what is the sum or difference? 3x^8-7x^8 A.-4x^16 B. -21x^8 C. -4x^8 D. 10x^-8
1 answer
57 views
Question Heterotrophs are organisms that consume other organisms in order to gain nutrients. Compare two different categories of
1 answer
79 views
When comparing the political system of Mexico with the United States, (1 point) Responses Mexican presidents can potentially
1 answer
94 views
Mexico’s political structure differs from that of the United States because (1 point) Responses there exists three branches of
2 answers
103 views
Which statement is false when comparing the political systems of the Unted States and Great Britain? (1 point) Responses Both
5 answers
99 views
Which movement was initiated in the 1960s by Quebecer Réne Lévesque? (1 point) Responses a movement to give indigenous people
1 answer
124 views
Based on the text, what was the African diaspora? (1 point) Responses the transporting of Africans to the New World for slave
1 answer
66 views
The Communist concept of collectivism has been (1 point) ethnic groups living in the United States retain unique features, but
1 answer
84 views
The Communist concept of collectivism has been (1 point) Responses replaced with ideas of private enterprise due to a booming
1 answer
116 views
Economic trends in China's Gross Domestic Product over a 50-year period can best be described as (1 point) Responses a gradual
1 answer
75 views
Which best describes the relationship between the Soviet Union and China regarding their stance on ideological beliefs? (1
1 answer
59 views
The People's Republic of China came into existence when (1 point) Responses The last Chinese dynasty fell to a national
1 answer
221 views
What is the factored form of 9x2 – 64? (1 point) Responses (3x – 8)2 (3 x – 8) 2 (3x + 8)2 (3 x + 8) 2 (3x – 8)(3x + 8)
1 answer
96 views
What is the factored form of 4x2 + 12x + 5? (1 point) Responses (2x + 4)(2x + 3) (2 x + 4)(2 x + 3) (4x + 5)(x + 1) (4 x + 5)( x
1 answer
92 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Write an expression for
1 answer
213 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
1 answer
115 views
1.5 x 10^3, 1.4 x 10^-1, 2 x 10^3, and 1.4 x 1-^-2 from least to greatest?
1 answer
39 views
(3/2b^4)^3
1 answer
33 views
(3/2b^4) ^3
1 answer
32 views
(t^-4)^-9t^2
a. t^26 b. t ^ -26 c.t^38 d. t ^ -38
1 answer
89 views
(t^-4)^-9t^2
1 answer
99 views
(5t^3) ^ -4
A. 625/t ^ 12 B. 20/t^7 C. 1/625t^12 D. 1/20t^7
5 answers
119 views
(5t^3) ^ -4
1 answer
34 views
(q^9) ^2
1 answer
33 views
(5)^ -5 (5)^7
a. 1/25 b. 25 c. 10 d. 5 ^-35
1 answer
48 views
(5)^ -5 (5)^7
1 answer
76 views
-1/a ^ -2
1 answer
39 views
–(10)–1
a. -1/10 b. - 1/ -1 ^ 10 c. 1/10 d. 10
1 answer
41 views
Primary productivity is defined as(1 point) Responses the process where green plants and some other organisms convert light
1 answer
117 views
Energy transfer is inefficient between trophic levels because(1 point) Responses molecules are fully digested from each trophic
1 answer
117 views
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