Find the perimeter of the parallelogram with these vertices. (-2, 2), (-2,-2), (6, -1), (6,-5)
Give an exact answer (not a decimal approximation).
Simplify your answer as much as possible.

What is the value of  y  in the solution to the system of equations? x  +  y  =  12x  –  3y  =  –30a. –8b. –3c. 3d. 8

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Answer this question only if you know the 30 points and