Crystal $5.25 per hour mowing lawns . . Write a rule to describe how the amount of money m earned is a function of the number of hours spent mowing lawns b. How much does Crystal earn if she works 2 hours and 30 minutes ?

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?