Answer:
75+50h=A
Step-by-step explanation:
75 bucks plus 50 per hour equals the total cost
1
p + 9 - 9 ÷ q - 9
p = 4 q = 3
= 4 + 9 - 9 ÷ 3 - 9
= 4 + 9 - 3 - 9
= 1
f(x) = (x-7)(x+7)(x+4)
= (x^2 - 49)(x+4)
= x^3 + 4x^2 - 49x - 196