Given an exponential function for compounding interest, A(x)=P(.77)^x, what is the rate of change?

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?