Answer:
x^4 + 8x^3 + 15x^2
Step-by-step explanation:
X=20
you subtract 15 from 75 to get 60 then divide 60 by 3 to get 20
y=0.75x+5
x=20
y=20
20-5=15
15/0.75=20
20 games
45
(7-4)=3
3^2=9
9*5=45
