Can someone that knows how to do math Help me please

In the surface area formula for cylinders which expressionrepresents the lateral area

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)

Iwill give you ! what is the measure of ∠v ?