There are 6 red, 4 green, and 5 yellow marbles in a jar. what is the probability of picking a green marble, then a blue marble if you do not put back the first marble? a.) 1/20 b.) 9/20 c.) 9/40 d.) 1/19

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.