Answer:
the first one is proportional because you could multiply by 4
Answer:
50.24 ft^2
Step-by-step explanation:
Well formula for area of a circle is pi(radius)^2
so the radius is 4 so you square that it’ll be 16
then do 16(3.14)
you’ll get 50.24
7/28 as a decimal would be 0.28
You have to suply us with a chart to figure that out