Find the area of this circle. Use 3 for .
A = 7r2
10 ft
[?] ft2

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Ineed with math stuff it involves graphs