How many real solutions does a quadratic equation have if its discriminant is zero?

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.

Identify the number as a rational or irrational.explain. 127

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?