Answer: I believe that you have to do e^3 to find the volume of a cube.
If you had the side, you would do a^3 (a stands for the side length)
Answer: It should be D if im looking at this correctly
Step-by-step explanation:
Plain and simple
Answer: All real numbers less than or equal to 3.
Explanation: I took a test with this question and got it right.
Here is the equation:

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You need to get "x" by itself so minus 3 from each side

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Divide 8 by 2

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x=4
So each 4 is equivalent to 4
Lets check:

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So that means that Marcus practiced the piano for 4 hours and Donnel practiced for 7
Answer:
y = 3/4x + 3
Step-by-step explanation:
you should only have y in one side and everything in other side of the equation. so you will first have -4y = -3x -12 , then you'll have to divide the right part of the equation by -4 . then you will have y = 3/4x + 3