The diameter of a sphere is multiplied by 1/5. What is the effect on the volume?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers