an exponential function of form f(x)=b includes the points (2,16),(3,64), and (4,256). What is the value of b?

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

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?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air