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: What is the area of an equilateral triangle whose one side length is 80?

 Option A: 800√3

 Option B: 1000√3

 Option C: 1200√3

 Option D: 1400√3

 Option E: 1600√3
[EX A]: Option E

[EX Q]: Question: If the 15th day of a month is three days earlier than Saturday, What day will it be on the 24th day of the month?

 Option A: Saturday

 Option B: Monday

 Option C: Sunday

 Option D: Wednesday

 Option E: Friday
[EX A]: Option E

[EX Q]: Question: In the rectangular coordinate system, what is the x-intercept of a line passing through (10, 3) and (−6, −5)?

 Option A: 4

 Option B: 2

 Option C: 0

 Option D: −2

 Option E: −4
[EX A]:
Option A