5. A sequence is defined by the recursive formula Q(r) = Q(r - 1) + 12.5, given R(1) = 50. a. List out the first 4 terms of the sequence.
b. Is the sequence arithmetic, geometric, or neither? Explain how you know.
5.a
5.b

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15