Answer: A
Step-by-step explanation:
Power rule: derivative of x^(something) is (something)* x (something -1). Rewrite the second term as x^(-7) and it all becomes -3x^(-3-1) + (-7)x^(-7-1). Rest is just writing it in a "nicer" form
Step-by-step explanation:
-5(4a) = (-5a)4
(By commutative property of multiplication)
Unbalanced, if it was balanced the ice skater wouldn’t move
Answer:
1
Step-by-step explanation:
Since they have the same denominator, it would be:
These are the possible dimensions:
1) 12 x 1 x 1
2) 6 x 2 x 1
3) 3 x 4 x 1
4) 3 x 2 x 2