Mary lost 30 pounds. Before her diet she weighed 180 pounds. What is the percent of change?

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Simplify this expression. 8x 16(x + y)

Vertical angles must check all that apply