Solve the system of equations numerically (table of values).y = x - 4y = -x + 14

A. (10, 18)
B. (9, 5)
C. (5, 9)
D. (18, 10)

Answer: B

Mathematics

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For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 5 - 3x, g(x) = -8x + 3Find (f + g)(x).

A. 5x + 8 B. -8x + 5 C. -3x D. -11x + 8

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Mathematics

Find the center and the radius of the circle.x2 + y2 - 6x + 12y = -29

A. (3, -5); r = 4 B. (6, -6); r = 4 C. (3, -6); r = 4 D. (3, -6); r = 6

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Mathematics

Determine the specific solutions (if any) to the equation on the interval [0, 2?).cos ? = sin ?

A. , 
B. , 
C. , 
D. , 

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Mathematics

Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula , as needed.Find the pH if [H3O+] = 4.2 × 10-7.

A. -7.6 B. 7.6 C. 6.4 D. 6.7

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Mathematics