3y=-2x+1593 divide each side by 3

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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)

What is the slope of the line shown below?