Please just the first problem I can’t do it

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction