Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.-x2 - 3x + 88
A. -(x - 11)(x - 8)
B. -(x - 11)(x + 8)
C. -(x + 11)(x - 8)
D. -(x - 11)(x + 1)
Answer: C
Mathematics
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Solve.(x - 1)(x + 6) < 0
A. (-?, 1) B. (-6, 1) C. (-1, 6) D. (-6, -?)
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Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
dollars. The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $110.00?
A. between 14 and 26 calculators B. between 11 and 21 calculators C. between 10 and 22 calculators D. between 12 and 20 calculators
Mathematics
Simplify the expression.
?
What will be an ideal response?
Mathematics
Determine whether the two matrices are inverses of each other by computing their product.
and 
A. Yes B. No
Mathematics