Find the magnitude and direction of 2r

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)

Someone me what is the area of this figure? 18m 18m 8m 16m

When solving a logarithm equation, how do you find the missing variable ?