Aregular polygon has an interior angle of 105 how many sides does it have?

One angle of a linear pair is 10 more than two-thirds the other angle. find the measure of both angles.

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 7,000 and she drives 21,000 miles more each year. marc's car has a current mileage of 20,000 and he drives 11,000 miles more each year. will the mileages for the two cars ever be equal? explain.