The length of a rectangle is 4times the width. The perimeter is 90cm. Find the length and width

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Which of the following parabolas opens down?