Can you answer the question in the picture above plllz I need it be fore tomorrow

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?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?