Answer:
The amount of water she needs to pump in:
V = Base area x Height x 1/2 = (4/2)^2 x pi x 0.75 x 1/2 = 1.5pi = ~4.7 (ft3)
=> Option D is correct.
Hope this helps!
:)
I believe the answer is letter A
Since D=MV, we can infer that M=D/V
That is your equation----------------^
Answer:
Solution is x=-3 and x =1, because that is zero od function y=-x^2-2x+3