Can an expert me out with this .step by step explanation..ill give brainless and points

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Will gve pints stars and brainliest