Please help me I’m desperate

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Me asap! what is the slope of this line? enter your answer in the box.

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.