She will need 12 seconds because -20•12=-240
Answer:
it went from 4 then 1 then 11
Step-by-step explanation:
The equation for finding the area of a circle of A=pi(r^2). Just plug in r=4 to find the area:
A=pi(4^2)
A=16pi
A=50.27 units squared
3/4 times 16/9 is equal to 1 1/3.