A trip to Hawaii is $2,100. If the travel agency runs a sale and the trip is now priced at $1,155.00, by what percent did the travel agency mark down the trip?

Answer question above and explain each step : )

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.

If the discriminant if a quadratic equation is 4 which statement describes the roots?