Which equation can be used to find the length of ? (10)sin(40o) = ac (10)cos(40o) = ac = ac = ac

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.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.