Find the mean of the job salaries

Which of the following is the correct ratio for converting kilograms to grams

Triangle xyz has vertices x(1,3), y(0,0)

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.