Answer:
I don't know
Step-by-step explanation:
sorry
4
h(7)= 7²-1= 49-1= 48
f(h(7))= 48/3 -12
= 16-12
= 4
t=30
(3t+1)(t+5)foil
624
Step-by-step
480+(480(30%))
=624