Marissa painted 7 portraits every 49 hours. At that rate, how long, in hours, will it take to paint 3 portraits?

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

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)

This is about circle theorems. someone asap : (