It’s a 90 degree clockwise rotation as coordinates become (y,-x).
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!
:)
75 would be your answer because it is double and 75 is 100 percent
