Which formula describes the following geometric sequence? remember that n represents the term number.

2, 6, 18, 54,

a. an = 2 · 3n - 1
b. an = 3 · 2n - 1
c. an = 2 + 3(n - 1)
d. an = 3 + 2(n - 1)

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?