Solve the following system by any appropriate method. If there is no real number solution, so state. -  = 1x + y + 11 = 0

A. (- 3, - 3)
B. (- 5, - 6)
C. (6, - 17)
D. (-12, -1)


Answer: B

Mathematics

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A. 22.3
B.

19.5?

C. 18.2
D. 20.0

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A physician writes a prescription for cephalexin 0.5g p.o. t.i.d. × 10d. How many tablets are needed to fill this prescription?

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Find all numbers not in the domain of the function.f(x) = 

A. 2 B. 0 C. None D. -2

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