Solve the following subtraction problem. remember to borrow as necessary.
9cu yd113cu in−4cu ft129cu in

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.

Given abcd ac=38 and ae=3x+4 find the value of x

Which function has the domain x> -11?