Answer:
V = 523.6 yd³
Step-by-step explanation:
The equation for the volume of a sphere of radius r is
V = (4/3)πr³
and if we substitute 5 yds for r, we get
V = (4/3)*π*(5 yd)³, or
V = (4/3)·π·125 yd³, or approxomately
V = 523.6 yd³
96.408 I used a calculator
X = 2 + √42,2- √42
decimal form: 8.480741, -4.480741
sorry if my answer isn't right
hence 
