A(-2,5), B(-1,3), C(1,5) along (3,0)

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?

If there are 825 students at cherry hill high school and 4 out of every 5 students voted in the student council election, how many students voted?

How do you figure out which order to do two step equations in? like which thing do you subtract/add/multiply/divide first? i understand that you do the opposite of whatever's shown on the opposite side, but when?