Write the sentence as a mathematical statement.Thirteen is not equal to twenty-eight.
A. 13 = 28
B. 13 ? 28
C. 13 ? 28
D. 13 ? 28
Answer: D
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Find y: y = e5ú1
a. 105 b. 151 c. 164 d. 178 e. 191
Solve the problem.Two phone companies compete for customers in a city. Company 1 retains 3/4 of its customers and loses 1/4 of its customers to Company 2. Company 2 retains 5/6 of its customers and loses 1/6 to Company 1. If we represent the fraction of the market held last year by 
, where a is the number the that Company 1 had last year and b is the number that Company 2 had last year, then the number that each company will have this year can be found by the following matrix equation. 
= 
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If Company 1 has A = 81,000 customers and Company 2 has B = 153,000 customers this year, then how many customers did Company 2 have last year?
A. 162,000 customers
B. 72,000 customers
C. 168,000 customers
D. 76,000 customers
Solve the inequality using the x-intercept method or the intersection-of-graphs method. Express the solution set in interval notation.-6(6z - 8) < -42z - 6
A. (-?, -42) B. (-9, ?) C. (-?, -9) D. (-42, ?)
List the numbers in set B that belong to the indicated set.B = 
Integers
A. 14, -2, 0
B. 14, 0, 
, 2?
C. 14, -2, 0, 
, 
D. 14, 0