Answer:
18 seconds
Step-by-step explanation:
8:10 = 4:5, 4+5 = 9, 9 x 2 = 18 seconds :D
Answer:
C. 56.25π
Step-by-step explanation:
Circumference=15π=πd⇒d=15
Area=πr^2⇒r=d/2⇒r=7.5⇒π7.5^2=56.25π
This is a parabola with a maximum value
the graph will pass the vertical line test
so it is a function
The answer to the question is -50