Out of 290 racers who started the marathon, 272 completed the race, 15 gave up, and 3 were disqualified. What percentage did not complete the marathon?

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 measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which expression shows the sum of the polynomials with like terms grouped together