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.

Question: A code is to be made by arranging 9 letters. five of the letters used will be the letter A, two of the letters used will be the letter B, one of the letters used will be the letter C, and one of the letters used will be the letter D. If there is only one way to present each letter, how many different codes are possible?

 Option A: 42

 Option B: 210

 Option C: 46820

 Option D: 84002

 Option E: 90720
Option E

Question: if (HE)^H=SHE,where the alphabets takes the values from (0-9) & all the alphabets are single digit then find the value of (S+H+E)

 Option A: 10

 Option B: 13

 Option C: 5

 Option D: 19

 Option E: data in sufficient
Option B

Question: Line k is in the rectangular coordinate system. If the b-intercept of k is -2, and the y-intercept is 3, which of the following is an equation of line k?

 Option A: -3b + 2y = 6

 Option B: 3b + 2y = -6

 Option C: 3b - 2y = 6

 Option D: 2b - 3y = 6

 Option E: -2b - 3y = 6

Option A