Does anyone know the answers to this ? Pls help me out

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.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Find the solution of each of the following.