Factor completely.x2 - x - 40
A. (x - 5)(x + 8)
B. (x + 5)(x - 8)
C. (x - 40)(x + 1)
D. Prime
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
D. 
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Write the formula using the "language" of variation. A = (1/2)bh, where A is the area of a triangle with base b and height h
What will be an ideal response?
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Evaluate the logarithm without the use of a calculator.log9 
A. 81 B. -81 C. -3 D. 3
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