A regular polygon has an interior angle of 172º.
Find the number of sides of this polygon.

Solve the equation.then check your solution 8=1.88+a

Write the factored form of this trinomial 9x^2+18x-7

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters