Perform the row operation(s) on the given augmented matrix.R2 = -2r2 + r1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the linear inequality. Express the solution using set-builder notation and interval notation. Graph the solution set.-6(3x - 4) < -24x + 42
A. {x|x ? 3}; (-?, 3]
B. {x|x < 3}; (-?, 3)
C. {x|x ? 3}; [3, ?)
D. {x|x > 3}; (3, ?)
Mathematics
Provide an appropriate response.If a trend line has the equation y = -4x + 6, what y-value would you expect to obtain when the x-value is 0?
A. -6 B. 2 C. 6 D. 0
Mathematics
Find the product.(x + 4)(-3x - 2)
A. -3x2 - 14x - 8 B. -3x2 - 16x - 8 C. -3x2 - 8x - 14 D. -3x2 - 14x - 14
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Number enrolled in a night class: 16, 18, 10, 16, 10
A. 14 B. 17.5 C. 13 D. 16
Mathematics