2. A cylindrical fish tank provides a 360° view. The height of the cylindrical fish tank is 30 inches, and the
diameter of the base is 27.5 inches. If one US gallon is equal to approximately 231 cubic inches, calculate
the amount of water the tank will hold.

How do you answer this question? (step by step)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?