I need help with this one

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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 to use order of operation in 20 divide by 4 multiply 5 = 1