Simplify algebraic expression of 14x-4x+21

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?

Factor the expression using gcf 9b+45

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5