Simplify.
A. 2
B. 12
C. 6
D. 8
Answer: C
Mathematics
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For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.a is the number of years of formal education of an adult living in the United States, and b is his or her age in years.
A. a is a function of b B. Both C. Neither D. b is a function of a
Mathematics
Evaluate the algebraic expression for the indicated variable.-7a2 - 8b + c - 12 for a = 8, b = -3, c = -6
A. -50 B. -442 C. -490 D. -466
Mathematics
Write < or > to make a true statement.
____ 
A. < B. >
Mathematics
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.x2 + 6x - 72 = 0
A. 12, -6 B. 12, 6 C. -12, 6 D. -12, 1
Mathematics