Evaluate the algebraic expression for the indicated variable.-8a2 - 2b + c - 12 for a = 2, b = -7, c = -9
A. -43
B. -23
C. -39
D. -67
Answer: C
Mathematics
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Evaluate.sin
A. 
B. - 
C. - 
D. 1
Mathematics
Answer the question.Find the direction in which the function is increasing or decreasing most rapidly at the point Po.f(x, y, z) = xy - ln(z), Po(1, 2, 2)
A. 
(4i + 2j - k)
B. 
(4i + 2j - k)
C. 
(4i + 2j - k)
D. 
(4i - 2j + k)
Mathematics
Solve the problem.Andy has 12 coins made up of quarters and half dollars, and their total value is $5.25. How many quarters does he have?
A. 9 quarters B. 11 quarters C. 8 quarters D. 3 quarters
Mathematics
Solve the equation.
- 
= 
A. -47
B. 
C. 94
D. 47
Mathematics