The school store sold a total of 55 shirts for $620. The shirts sold were either blue or gray. If the
blue shirts sold for $12 each and the gray shirts sold for $10 eac, how many color of each shirt
were sold?

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

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.

What does independent variable and dependent variable mean in math?