If the sum of lenghts of all the edges of a cube is 84 cm calcolate its volume

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

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