Convert 5 2/5 into an improper fraction

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?