You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[EX Q]: Question: If k is an integer and 2 < k < 7, for how many different values of k is there a triangle with sides of lengths 2, 6, and k?

 Option A: one

 Option B: two

 Option C: three

 Option D: four

 Option E: five
[EX A]: Option B

[EX Q]: Question: Today Joelle opened an interest-bearing savings account and deposited $5,000. If the annual interest rate is 5 percent compounded interest, and she neither deposits nor withdraws money for exactly 2 years, how much money will she have in the account?

 Option A: $6512.50

 Option B: $7512.50

 Option C: $5512.50

 Option D: $4512.50

 Option E: $5250.00
[EX A]: Option C

[EX Q]: Question: An agent wants to sell x% of a list of 10,000 apartments in a residential area. After market price decreases, the agent must reduce this selection by (x − 8)%. In terms of x, how many apartments will he be able to sell?

 Option A: x*x – 8x

 Option B: (x

 Option C: (100

 Option D: (100

 Option E: (x-8
[EX A]:
Option B