Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form. + 

A.
B.
C.
D.


Answer: A

Mathematics

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The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log , where x0 = 10-3.Two earthquakes differ by 0.1 when measured on the Richter scale. How would the seismographic readings differ at a distance of 100 kilometers from the epicenter?

A. The earthquake of greater magnitude has a seismographic reading that is 100 times that of the lesser earthquake.
B. The earthquake of greater magnitude has a seismographic reading that is 10 times that of the lesser earthquake.
C. The earthquake of greater magnitude has a seismographic reading that is  times that of the lesser earthquake.
D. The earthquake of greater magnitude has a seismographic reading that is  times that of the lesser earthquake.

Mathematics

Using the graph, determine any relative maxima and relative minima of the function.

A. Relative maximum: -2 at x = 3. B. Relative minimum: 3 at y = -2. C. Relative minimum: -2 at x = 3. D. Relative maximum: 3 at y = -2.

Mathematics

Find an equivalent fraction with the given denominator. = 

A.
B.
C.
D.

Mathematics

Fill in the blank with one of the words or phrases listed below.The solution(s) to the equation x + 5 = x + 5 is/are .

A. no solution B. like terms C. all real numbers D. the same

Mathematics