C. 3x^2+6 is the answer:)
Step-by-step explanation:

14, B. I hope that helps! :)
Answer:
그 기 = That Flag
키 = Key
I think it is 112.
Step-by-step explanation:
Answer:138
Step-by-step explanation:
Cost of a canoe is $12 and call number of days rented two mountain bikes are $18 and call number of days rented. That sum has to be < $138 (it should be less than or equal to $138, but that isn't a choice).12c+18m<$138C.