Sarah takes courses on a quarter system. three times a year, she takes 15 credits at a tuition rate of $ 280 per credit; her fees are $ 200 per quarter and her room in a shared house costs $ 140 per week. round your answer to the nearest dollar

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

Ithink i know it but i want to be sure so can you me out ?

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room