Multiply.(x + 2)(x - 4)
A. x2 - 3x - 8
B. x2 - 8x - 2
C. x2 - 2x - 3
D. x2 - 2x - 8
Answer: D
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Evaluate the improper integral or state that it diverges.
A. 6
B. 
C. 
D. diverges
Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 14 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 40 gallons B. 35 gallons C. 10 gallons D. 42 gallons
Answer the question.True or False: An equation of the type y = c (c is a constant) produces a line parallel to the 
A. False B. True
Write a word name for the number in the sentence.Scientists were predicting the demise of the space colony as the population approached 600,040,000.
A. Six hundred million, forty hundred B. Six hundred forty million C. Six hundred million, forty thousand D. Six hundred billion, forty million