You had 207$, but you are spending 2$ a day. which algebraic expression describes this situation, where d represents the number of days?

Three coins are flipped. what is the probability that there will be at least two tails?

What is the perimeter of square abcd? units units 28 units 37 units

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.