Complete the square to find the y-value for the minimum value of the function-f(x)=x^2-8x+28

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.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup