Ile to jest please mocy

What is the product? (x2+3y+7) [yy+1)

Two lines parallel to a third line are parallel to each other. always sometimes or never

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?