1) 6(d-2) - 2(d+2) = 2) (e-3) - 4 (2e +1) =
3) (f -1) - (f-1) + 1 =
4) 2(7-9g) - 3(4-2g) =
5) 5a(6 + 2b) + 6ab - 7 =
6) 2x(3y - 1) + 2x(3y + 1) =
7) 6p(q+9) - 3p(2p-1) =

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Using elimination, what is -4x+2y=-12 4x+8y=-24