Complete the equation describing how x and y are related.
1 2 3
4
5
-10
-2 3
y
8 13
18
23
28
y = 5x + [?]
Enter the answer that belongs 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.