The portions of a house that need to be heated can be modeled by one rectangular prism with a length of 45 feet, a width of 20 feet, and a height of 18 feet, and a second rectangular prism with a base area of 350 square feet and a height of 9 feet. What is the total volume?

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.

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