Simplify the expression.9 - 2(s - 6t) 

A. 9 - 2s - 12t
B. 9 - 2s + 12t
C. 9 + 2s + 12t
D. 9 + 2s - 12t


Answer: B

Mathematics

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Use the limit comparison test to determine if the series converges or diverges.

A. Diverges B. Converges

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Solve the problem.The equation F = C + 32 is used to convert a temperature given in degrees Celsius C to its equivalent temperature in degrees Fahrenheit F. Find the temperature C if the temperature F is 50 by solving the equation 50 = C + 32 visually, using the following graph. 

A. 18°C B. 38°C C. -38°C D. 10°C

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Write an equation for the hyperbola.vertices at (-9, 7), (-9, -11); asymptotes y = ± (x + 9) - 2

A.  -  = 1
B.   -  = 1
C.   -  = 1
D.  -  = 1

Mathematics

Use synthetic division to determine whether x - c is a factor of the given polynomial.x3 - 11x2 + 12x + 80; x + 3

A. Yes B. No

Mathematics