Perform the indicated operation. Assume that all variables are nonnegative.(4 + 3)(4 - 3)

A. 16 - 6
B. 16 + 6
C. -83
D. 115


Answer: C

Mathematics

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Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.

What will be an ideal response?

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Sketch the region bounded by the graphs of the given equations and find the area of their region.

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Find fx(x, y).f(x, y) = 

A. 7x6 
B.
C.
D.

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