Answer the question.Which one of the following is the correct method for evaluating the expression 

A. 3 ? 62 - 4 = 182 - 4 = 324 - 4 = 320
B. 3 ? 62 - 4 = 3 ? 22 = 3 ? 4 = 12
C. 3 ? 62 - 4 = (18 - 4)2 = 14 = 196
D. 3 ? 62 - 4 = 3 ? 36 - 4 = 108 - 4 = 104


Answer: D

Mathematics

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Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is between 760 and 840?

A. approximately 34% B. approximately 68% C. approximately 95% D. approximately 81.5% E. none of these

Mathematics

Provide an appropriate response.Find the supplement of an angle whose measure is 37°39'17"

A. 142°21'43" B. 142°20'43" C. 52°21'43" D. 52°20'43"

Mathematics

Simplify. Assume that all variables represent positive real numbers.5 + 8

A. 35
B. -45
C. 45
D. 13

Mathematics

For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 

A. removable discontinuity at (2, -4);
x-intercept: , y-intercept: (0, 2);
no asymptotes

B. removable discontinuity at (2, 4);
x-intercept: (-2, 0), y-intercept: (0, 2);
no asymptotes

C. removable discontinuity at (2, 0);
x-intercept: (2, 0), y-intercept: (0, 2);
no asymptotes

D. removable discontinuity at (2, 8);
x-intercept: , y-intercept: (0, 2);
no asymptotes

Mathematics