Can you help me with number 8

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

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

5x−4≥12 or 12x+5≤−4 can you with this problem