11) Use any problem solving strategy to solve the following problem. The dimensions of a
rectangle are 4 and 9. What is the sum of the
lengths of the diagonals of the rectangle?
Write your answer in simplest radical form.

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.