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February 2026

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Which of the following examples describes a physical change instead of a chemical change? (1 point) Burning a piece of wood into ash. Mixing baking soda and vinegar to bubble. An iron bicycle frame developing rust. Melti...
Asked by C.W 1 answer
For a ramp with an angle of elevation of 14 degrees and a height of 2.5 feet, how long is the distance of the ramp? Round your answer to the nearest whole number. In order to earn full credit show all your work including...
Asked by Jill 1 answer
Determine the x-intercept(s) of the function that translates the original function f(x)=x2 down 4 units.(1 point) There are no x-intercepts. x=−2 and x=2 x=−16 and x=16 x=−4 and x=4
Asked by bob 1 answer
In an exothermic reaction, what is the relationship between the energy absorbed by reactants and released by products? (1 point) The energies absorbed and released are equal. The energy absorbed by reactants is greater....
Asked by C.W 1 answer
What change occurs to the atoms of reactants when they form new products in a chemical reaction? (1 point) They are rearranged into different molecules. They are converted into different elements. They are completely des...
Asked by C.W 1 answer
Kabir is flying a helicopter at an elevation of 1,350 feet. He sees an airplane 2,400 horizontal feet infront of him, but doesn't know how far the plane is above him. If the angle of elevation is 54 degrees,how far is th...
Asked by Jill 1 answer
Which mining method is more likely to disrupt local ecosystems? Select an answer A. Deep mining disrupts ecosystems more than surface mining. B. Both methods have the same impact on ecosystems. C. Surface mining is more...
Asked by a 1 answer
On July 4, 1939, Lou Gehrig gave one of the most famous speeches in sports history. The occasion was "Lou Gehrig Appreciation Day" at Yankee Stadium in New York. Parts of the speech are well known to this day: "Fans, for...
Asked by rowdy 1 answer
Which of the following transformations will produce similar figures? Select all that apply. (x + 2, y - 5) (-x, y) ( 1/2 x, 1/2 y) (2x, 4y)
Asked by Makayla 1 answer
Which type of reaction is shown by the general equation AB → A + B? (1 point) Single-replacement reaction Double-replacement reaction Decomposition reaction Synthesis reaction
Asked by C.W 1 answer
Which expressions are listed in the simplest form? Check all that apply.
Asked by bob 1 answer
What is a common health risk associated with deep mining? Select an answer A. Respiratory issues from dust exposure. B. Increased risk of sunburn. C. Skin irritation from surface exposure. D. Hearing loss from machinery...
Asked by a 1 answer
In a double-replacement reaction between barium chloride (BaCl₂) and potassium carbonate (K₂CO₃), what products are expected? (1 point) Barium potassium (BaK) and chlorine carbonate (Cl₂CO₃). Barium carbonate (BaCO₃) and...
Asked by C.W 1 answer
The year 2009 marked the 50th anniversary of the opening of the Solomon R. Guggenheim Museum in New York City. The museum was built as a place to display abstract art, and the architect of the museum was Frank Lloyd Wrig...
Asked by rowdy 1 answer
Parte l: Write three complete sentences in Spanish about what others in your family do. Include how often he/she completes the chore. (Ej. Mi mamá siempre pasa la aspiradora en la sala.) 1._______________________________...
Asked by io 1 answer
Which mining method is generally considered safer for workers? Select an answer A. Surface mining is generally safer for workers. B. Neither method is safe for workers. C. Both methods are equally safe. D. Deep mining is...
Asked by a 1 answer
In a synthesis reaction, what is the general pattern of reactants combining to form a product? (1 point) Two or more reactants combine to form one product. One reactant breaks down into two or more products. One element...
Asked by C.W 1 answer
Energy is released when the bonds of products are formed. In an exothermic reaction, what happens to this released energy? (1 point) The total amount of energy is entirely destroyed. All of the energy is used to break mo...
Asked by C.W 1 answer
The year 2009 marked the 50th anniversary of the opening of the Solomon R. Guggenheim Museum in New York City. The museum was built as a place to display abstract art, and the architect of the museum was Frank Lloyd Wrig...
Asked by rowdy 1 answer
The Communists in the Kremlin are engaged in a monstrous conspiracy to stamp out freedom all over the world. If they were to succeed, the United States would be numbered among their principal victims. It must be clear to...
Asked by cb 1 answer
Which graph accurately demonstrates the relationship between the functions f(x)=x−−√ and f(x)=x−−√+3 ?(1 point) Two curves are graphed on a coordinate plane. The x-axis ranges from negative 3 to 3 in increments of 1. The...
Asked by bob 1 answer
Magnesium is in Group IIA with two valence electrons. How does this fact affect how many chlorine atoms it can bond with? (1 point) It shares its two electrons to bond with one chlorine. It loses its two electrons to bon...
Asked by C.W 1 answer
Meekah is looking at a bird perched on top of a street light. Her line of sight, which is the diagonaldistance to the top of the street light is 16 feet and she is standing 8 feet from the base. Find the angleof elevatio...
Asked by Jill 1 answer
The Transcontinental Railroad Building the transcontinental railroad across the United States required vast amounts of manpower, resources, and planning. It is regarded as one of the greatest achievements in U.S. history...
Asked by rowdy 1 answer
Jaclynn is building a cat house for her cats. She designs a ramp from one level to the other for them toclimb. The ramp length is 4 ft and the difference between the two levels is 2 feet. What is theapproximate angle of...
Asked by Jill 1 answer