A. x = -2 and y = -5
check:
x^2 - 9 = 0
B. x = 0 and y = -6
check:
x^2 - 6 = 0
C. x1 = 3, x2 = 5
check:
(x - 3)(x - 5) = 0
D. x1 = 0, x2 = 4
check:
x(x - 4) = 0
Answer:
0.75
Step-by-step explanation: 2 weeks late >_<
This is your equation

4/3 x 3.14 x
8 ^{3}
4/3 x
3.14 x 5124/3 x 1607.68
2143.57 (I also got 2144.66 if the first one doesn't work)