There were m balloons at the beginning of a party. By the end of the party, 9 of them had popped. Using m, write an expression for the number of balloons that were left.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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?

What expression is equivalent to 42x-56y