Subtract.(2a + 2b - c) - (8b + 4c + 6d)
A. 2a - 6b - 3c - 6d
B. 2a - 6b + 5c + 6d
C. 2a - 6b - 5c - 6d
D. 2a - 6b - 5c + 6d
Answer: C
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Solve the problem.Suppose the monthly cost for manufacturing bar stools is C(x) = 529 + 23x, where x is the number of bar stools produced each month. Find and interpret the marginal cost for the product.
A. $529 per bar stool; Manufacturing one additional bar stool decreases the cost by $529. B. $23 per bar stool; Manufacturing one additional bar stool increases the cost by $23. C. $529 per bar stool; Manufacturing one additional bar stool increases the cost by $529. D. $23 per bar stool; Manufacturing one additional bar stool decreases the cost by $23.
Use a graphing calculator to find all real solutions of the equation.
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Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 