What's the difference between 63789 and 69123

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.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x