On a snorkeling trip, betina spotted 27 different kinds of fish. that is 3 times as many as her younger sister lucia spotted. how many different kinds of fish did lucia spot?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)