Find the first six terms of the sequence. a1 = -8, an = 5 • an-1

a. -8, -40, -200, -1000, -5000, -25000
b. -8, -40, -35, -30, -25, -20
c. 0, 5, -40, -35, -30, -25
d. -40, -200, -1000, -5000, -25000, -125000​

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if