Which expression is equivalent to the given expression? a5x−2 b2−5x c2x−2+3x 3−5+2x d 5x−2x

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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.

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?