(2,-2) is a solution to the system of equations.
9x = 10 – 4y
y = 3x – 8

Which statement about 6x2 + 7x – 10 is true?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work

Acertain municipality recycled five times as many tons of aluminium as plastic in one year. if the total amount recycled was 1026 tons, how much aluminum and how much plastic was recycled?