The percentage of Change in time is an decrease
Answer:
d) A = π(
)
Step-by-step explanation:
area = π 
diameter = 18
radius (half of diameter) = 9
area = π 
Area = L x H
area = 20 x 15 = 300 square feet
Mixed fraction: 1 11/100
Improper fraction: 111/100
Answer:f(1)=-4, f(1)=1
Just substitute the value to the x, Like this.
F(x)=x²+2x-7
F(1)=(1)²+2(1)-7
=1+2-7
=3-7
=-4
Step-by-step explanation: