I need help asap! thanks!

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.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5