Pls help me When Jordan does his math homework, it takes Jordan 15 minutes to do 12 math problems.

A. How many problems will he finish if he works for 1.5 hours?

B. What is Jordan’s average rate of math problems completed per hour?

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

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.