Apair of jeans is on sell for 20% off. if x represents the regular price of the jeans , which expression could be used to find the sale price of the jeans? a)1.20x b)0.20x c)0.80x

Ineed with number 17 i don’t get it at alll

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.

Ineed with this problem 21 show steps