Aboat traveled 280 miles downstream and back. the trip downstream took 7 hours. the trip back took 14 hours. find the speed of the boat in still water and the speed of the current

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)

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0