Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.x - 3 < -6

A. x < -3; (-?, -3)

B. x < -9; (-?, -9)

C. x > -3; (-3, ?)

D. x ? -9; (-?, -9]


Answer: A

Mathematics

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A. , 2
B. , 5
C. - , 2
D. , 1

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A.

B.

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Solve the system mentally, without the use of a calculator or pencil-and-paper calculation. Try to visualize the graphs of both lines.x + 0y = 90x + y = 4

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