Question

Find the area of a circle with a diameter of 12 inches. Use 3.14 for pi

Answer 1

Area Formula = \[\pi * r^2\] where r = radius
radius = 1/2 of diameter
12/2 = 6 = radius
6*2 = 36
36 * pi = 113.04 inches^2

Answer 2

thanks i got one more
The volume of a fish tank is 40 cubic feet. If the density is 0.4fish over feet cubed, how many fish are in the tank?

Answer 3

Sure, no problem. Density = Mass/Volume
Volume = 40 cubic feet
Density = 0.4 fish per feet
Mass = D * V
So, 40 * 0.4 = 10

Answer 4

10 fish that is