Like please help I’m a dummy Yesterday Jack drove 35 1/2 miles used 1 1/4 gallons of gasoline what is the unit rate for miles per gallon

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)