Find the slope of the line. If the slope is undefined, so state.

A. 0
B. -7
C. 4
D. undefined

Answer: D

Mathematics

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Divide and express the result in standard form.

A.  - i
B.  - i
C.  - i
D.  - i

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Mathematics

Write the sentence as an equation. Use x to represent "a number."If ten times a number is decreased by 6, the result is 144.

A. 10x - 6 = 144 B. 6(10 - x) = 144 C. 10(x - 6) = 144 D. 6 - 10x = 144

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Mathematics

Solve the system of equations.x2 - 3y2 = 14x2 + 3y2 = 19

A. (2, 1) and (-2, -1) B. (1, 2), (-1, 2), (1, -2), (-1, -2) C. (2, 1), (2, -1), (-2, 1), (-2, -1) D. (-1, 2) and (1, -2)

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Mathematics

Solve the problem.A restaurant offers a choice of 5 salads, 9 main courses, and 2 desserts. How many possible  meals are there?

A. 45 B. 16 C. 90 D. 180

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Mathematics