Multiply and simplify. ? 

A.
B.
C.
D.


Answer: C

Mathematics

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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A loaf of bread is removed from an oven at  and cooled in a room whose temperature is . If the bread cools to  in 20 minutes, how much longer will it take the bread to cool to 

A. ? 16 minutes B. ? 23 minutes C. ? 3 minutes D. ? 4 minutes

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Evaluate. 72 

A. 128 B. 14 C. 64 D. 49

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Solve the problem.The output voltage for an AC generator is approximated by Find the smallest positive value of t for which the output is 100 volts.

A. 0.0112 second B. 0.0051 second C. 0.0102 second D. 0.0041 second

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Provide an appropriate response.A proper fraction has the form . What is the largest possible number that x can be?

A. 21 B. 20 C. 22 D. 10.5

Mathematics