Each marble bag sold by rachel's marble company contains 3 purple marbles for every 2 green marbles. if a bag has 21 purple marbles, how many green marbles does it contain?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180