Write a function, d(x) to account for the total after discounts on purchase amount x but before taxes and fees. A d(x)=x - 10 B d(x)=x - .10x C d(x)=x/.10x D d(x)=x + 10x E d(x)=x + .10 F d(x)=x - 10x

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.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.