7x+3y>−1 5x−9y>−6 Is (-1,0) a solution of the system?

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?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)