a rectangular prism has a width of x2 inches , a length of x2y inches, and a height of y2inches. Which expression represents the volume in cubic inches of this rectangular prism?

What is not true about kl and mn? what is mn? (show )

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.