2. an elevator is on the twentieth floor. it goes down 11 floors and then up
5 floors.

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?