What is the recursive formula of the geometric sequence? 1,5, 25, 125, 625, ...

A) an = (1) · (1/5)^– 1 for n > 1

B) an = (1) · (5)^n - 1 for n > 1

C) a1 = 1; an = an - 1 · (5) for n > 2

D) a1 = 5; an = an- 1 • (1) for n > 2

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?