Answer:
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Step-by-step explanation:
B. The answer is b because -2m and -5m together equal -7m-8, and on the other side of the equal sign 3+-7+m equal -4+m
So first you have to solve
2 to the power of 3 (2x2x2) = 8
81 square root = 9
so 8+9 = 17
17>X
this means that X is lower than 17 so the answer would be graph 3
D. (3 x 13) x 42
is your answer
just change the parenthesis from (13 x 42) to (3 x 13), since you will still get the same answer (using associative property of multiplication)
hope this helps :D