Answer:
7.855
Step-by-step explanation:
A=pi*r^2=3.142*5^2=3.142*25=7.855
the answer is C or 18x + 18y
the perfect cube is [A] 1
(-5/2, 3/2)
[(-5.5+.5)/2, (9.1-6.1)/2)} = (-5/2, 3/2)