5 + c + c + c – 4 as an equivalent expression

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

15 point ! ~ see if you know the answer to both you!

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)