Which lengths would form a right triangle? 9, 12, and 14 24, 7, and 26 21, 16, and 12 30, 24, and 18

What is the difference between regular convex and concave polygons

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.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)