. 12-packs of soda are on sale for 5 for $12. At this rate, what is the cost for three 12-packs? Proportion 2: Proportion 1:
Also if u can solve the problem to get the answer too and thanks if u do ​

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.

Solve this problem! extra ! 3025/5.5 = a/90.75

Plz ( true - false) all triangles have interior angles whose measure sum to 90.