F(x) = 1.50x + 12.50
f(18) = 1.50(18) + 12.50
f(18) = 27 + 12.50
f(18) = 39.50 ....this is the amount Kelsey paid for 18 movies in 1 month
Answer:D
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
pi is irrational but it is a real number