Find the sum.6 + (-4)

A. -2
B. -10
C. 2
D. 10


Answer: C

Mathematics

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A. ?
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C. ?
D. ?

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Use a calculator (in radian mode) to evaluate the given expression.sec[tan-1 (-1.8392)]

A. 2.0935 B. 0.4777 C. -1.1383 D. -0.8785

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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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For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = , g(x) = Find (ff)(x).

A.
B.
C.
D.

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