If anyone knows how to solve this math problem please help CHOOSE TWO ANWSERS (not in college forgot to change it)

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

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.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.