The number of students who attended the winter school dance was 20% less than the number of students attending the following if 220 students attend the fall dance how many fewer students attended the winter day

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.