HELP URGENTLY Please help help​

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 1/3x5 on anuber line what does it look like on a number line

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120