What is the solution of the system of equations? 4x-3y=-1 3x-9y=33

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

X+ y = 5 ; x - y =3 solve using linear combination