Drawing cell phone plan costs $25 per month for every gigabyte of data used she has to pay $12 if she uses 4 gigabytes of data how much will her bill be

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.