Write a matrix equation equivalent to the system of equations. 7w + 4x - 2y - z = -7 4w - 10x + 6y - z = -4-6w - 5x - y - 4z = 10 w - 7x - 4y + 10z = 6
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
Mathematics
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This double-bar graph shows the number of male (M) and female (F) athletes at a university over a four-year period. Answer the question.
Which year had the greatest number of female athletes?
A. Year 3 B. Year 4 C. Year 2 D. Year 1
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Find the missing coordinate if the ordered pair is to be a solution to the given equation.(?, -2) for the equation 3x - 3y = 7
A. 
B. - 14
C. - 
D. -2
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Solve the equation.6(x + 3) - (6x + 18) = 0
A. {0} B. {?} C. {3} D. {all real numbers}
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Answer the question.Which number can serve as a common denominator for 
and 
?
A. 13 B. 10 C. 7 D. 42
Mathematics