Answer:
f(g(-7))
Step-by-step explanation:
here
6s⁹t³
6s⁵t ₓ s⁴t² =
= 6ₓs⁵⁺⁴t¹⁺²
= 6s⁹t³
D) 45
5 x 3 x 3 = 45
XY and YZ be x
