A store sells jump ropes. Each jump rope costs the same amount. During a sale, the store reduces the price of each jump rope by $1.90. Mar spends $12.78 on 2 jump ropes at the sale price.
What was the price of 1 jump rope before the sale?

Factor this polynomial completely x^2-64

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.

How far could you drive on 50 gallons of gas