The line passes through (6,6) and (-2,2)

What is best way to getting answer for my exam is

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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)