Use the row reduction method to find the inverse of the given matrix, if it exists.
?
What will be an ideal response?
Mathematics
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Indicate whether the equation has no solution or is true for all real numbers. If neither is the case, solve for the variable.10x - 2(3 + 5x) = -6
A. 
B. ?
C. 
D. {x|x is a real number}
Mathematics
Express the number in scientific notation.4,0,000,000,000
A. 4 × 109 B. 4 × 1012 C. 4 × 10-9 D. 4 × 10-12
Mathematics
Find the ratio described as a fraction in simplest form.According to an organization's membership list, it has 2200 members who have cable TV and 
who don't have cable. What is the ratio of members who don't have cable to the total number of members?
A. 
B. 
C. 
D. 
Mathematics
Indicate whether the inequality is true or false.|-5| ? -5
A. True B. False
Mathematics