Add or subtract as indicated.(3a - 7b + 5c) - (a - 3b + 2c) + (6a + 5b)
A. 8a - 4b + 12c
B. 8a + 4b + 8c
C. 8a - 4b + 8c
D. -4a - 10b + 12c
Answer: C
Mathematics
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Solve the problem.If the cost, C(x), for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $10,500.
A. 50 units B. 100 units C. 90 units D. 60 units
Mathematics
Find the first five terms of the arithmetic sequence.an = n - 6
A. -5, -4, -3, -2, -1 B. 1, 2, 3, 4, 5 C. -6, -5, -4, -3, -2 D. -24, -18, -12, -6, 0
Mathematics
Determine whether the given point lies on the line.(5, 3); y + 25 = x
A. No B. Yes
Mathematics
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.2 - (10 - 3 ? 22)
A. 28 B. 0 C. -20 D. 4
Mathematics