Two communications companies offer calling plans. With Company X, it costs 25¢ to connect and then 5¢ for each minute. With Company Y, it costs 20¢ to connect and then 4¢ for each minute. Write
and simplify an expression that represents how much more Company X charges, in cents, for n
minutes
Which of these expressions represents how much more Company X charges than Company Y?

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 median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2