Would you classify 144 as a perfect square, perfect cube, both, or neither?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Given that abcd is a rhombus, what is the value of x?