15; this is because 3 pies make up 72
with this you can make it so that 3x=72
After this you need to find x which is a single pie
so; (3x/3)=(72/3)
x= 24
Since you know a circle is 360 degrees all around the center
You can do 360/24 making it 15 pies.
The hypotenuse is 20.59. 10^2+18^2=C^2
Use FOIL
28x² -8xy +7xy -2y²
28x² -xy -2y²
0 yards remaining if she used one yard
