Hi answer for this i need the answer it is my homework please

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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.