Find the number of sides for the regular polygon described if each exterior angle is 9

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?