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libby

Public contributions from visitors who posted under the name libby.

Questions 1,175
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Latest questions from libby

Volcanic eruptions can ___(1 point) add nutrients to the surrounding soil. draw animals to the area. drastically alter the ecosystem. increase biodiversity.
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Currently, which event is having the greatest effect on the entire interconnected ocean ecosystem?(1 point) tsunami oil drilling plastic pollution hurricane
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After an extreme disturbance, what is the first thing to form in an ecosystem?(1 point) the plant community sand rock a group of lichens Skip to navigation
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A pioneer species(1 point) hunts other species. outcompetes native species. is the first species in a barren area. requires more shade than established species.
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If an ecosystem is irreversibly destroyed, species unable to travel or adapt will(1 point) find a new food source. die out in the area. find additional mates. grow in population.
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An example of a severe disruption to an ecosystem is(1 point) a thunderstorm that knocks down some trees. seasonal flooding of a river. the loss of a river system due to contamination. repurposing a building in a downtow...
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In a certain forest ecosystem, there are lions who prey on deer. The deer eat grass. Which of the following would be the consequences of the deer population increasing? (1 point) The plant population would increase. The...
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When an ecosystem is disturbed by fire or toxic chemicals, it affects(1 point) one type of food source in the ecosystem. living things in that ecosystem. one type of habitat in the ecosystem. only a particular species in...
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Which is an extreme disturbance to any ecosystem?(1 point) hurricanes extreme temperature change elk overgrazing coral bleaching
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Use the substitution method to find the solutions to the linear-quadratic system y=x2−x−40 , y=−3x−5 ?(1 point) (5,−20) and (−7,16) (5,−10) (5,−10) and (−7,26) (−7,26) Skip to navigation
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Which of the following uses the substitution method to solve linear-quadratic system y=x2−4x+8 , y=3x−4 ?(1 point) (3,5) (−4,−16) and (−3,−13) (4,8) and (3,5) (4,8)
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Use the substitution method to solve the system 2.5x+y=−2 , 3x+2y=0 .(1 point) (3,−2) (−2,3) no solution infinite solutions
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Use the substitution method to solve the system x=y−4 , x+8y=2 .(1 point) infinite solutions no solution (23,−313) (−313,23)
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Use the substitution method to solve the system 2x+3y=4 , −4x−6y=−8 .(1 point) (−1,2) (2−1) infinite solutions no solution
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Which equation describes an infinite solution system with the equation y=4x−3 ?(1 point) 2y+8x=−6 −2y+8x=−6 2y−8x=6 2y−8x=−6
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Use the image to answer the question. A line intersecting a parabola is graphed on a coordinate plane. ▶Click for Long Desc Which of the following shows the solution(s) for this system of equations? (1 point) (−3,0) and...
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Use the table to answer the question. Table displays x-values that correspond to y-value for two equations to find solution. x-value y-value if y=2x−5 y-value if y=x−3 0 −5 −3 1 −3 −2 2 −1 −1 3 1 0 Jian made a table show...
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Use the image to answer the question. One line, graphed as both solid and a dotted, is graphed on a coordinate plane. The x-axis ranges from negative 10 to 10 in increments of 1. The y-axis ranges from negative 10 to 10...
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Which graph shows the solution of −3x−y=3 and y=−3x+4 ?(1 point) Two parallel lines are graphed across a coordinate plane. One line is dotted while the other is solid. ▶Click for Long Desc Two intersecting lines are grap...
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The graph represents Jake's earnings from washing cars and detailing, where x represents the number of cars washed and y represents the number of cars detailed. Which of the labeled points is a viable solution in this co...
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Which of the following ordered pairs is a part of the solution set for the inequality y<2x+5 (1 point) (-3,2) (0,4) (-2,2) (0,5)
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Bright Gardens charges $75 for a landscaping job, plus $12 for each flower they plant. How much will it cost a client to hire Bright Gardens to plant 6 flowers? Write an equation to represent this problem. (1 point) y =...
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Which of the following ordered pairs is a solution to the equation y=5x + 3 ?(1 point) (3,15) (2,14) (1,7) (0,3)
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Which of the following ordered pairs is a solution to the equation 4y − 2x=16 ?(1 point) (2,6) (4,8) (6,10) (0,4)
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What is the fifth step in the decision-making process? (1 point) be prepared to accept the consequences and make your decision evaluate each choice and consider the consequences evaluate the effectiveness of your decisio...
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Latest answers from libby

nope that was the only one :D
Answer on a public question