A gas pump fills 2^-2 gallon of gasoline per second. how many gallons does the pump fill in one minute?

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.

43lbs of tomatos cost $387. how much would 41lbs cost

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.