Use the FOIL method to find the product. Express the product in descending powers of the variable.(x + 3)(x2 + 9)
A. x3 + 9x2 + 3x + 27
B. 3x2 + x + 27
C. x2 + 12x + 27
D. x3 + 3x2 + 9x + 27
Answer: D
Mathematics
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Solve.What number added to 54 is 145?
A. 91
B. -91
C. 
D. 199
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Some bank robbers leave town, speeding at 48 mph. 25 minutes later, the police give chase, traveling at 58 mph. How long will it take the police to overtake the robbers? (Please calculate the time in hours.) ?
A. 1.5 hour(s) B. 2 hour(s) C. 3 hours D. 5 hours E. 2.5 hours
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Divide and simplify.
÷ 
A. 
B. 1
C. 
D. 
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 33p
B. 
C. 8
D. 
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