A company sells speakers for $23 dollars each At the end of the week they have sold $851 worth of speakers. How many speakers did they sell?

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.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.