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help please

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

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.

How do i solve uniform motion problems?