Please help me im stuck thxs

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m