Answer: 82
Step-by-step explanation:
H=9(-3)^2+1
Simplify both sides of the equation.
h=81+1
81+1 =82
h=82
-c +4d
Step-by-step explanation:

Group like terms and simplify

Answer:
=78.5cm
Step-by-step explanation:
pi=3.14
formula=3.14×r×r
3.14×5×5
78.5
Answer:
After 7 months of payment.
Step-by-step explanation:
First option = y = 20(7) + 0
= 140
Second option: y = 8(7) + 80
= 136