Simplify. Write your answers in the form of a+bi, where a and b are real numbers.

A.  +  i
B.  +  i
C.  -  i
D.  +  i


Answer: A

Mathematics

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Find the first four terms of the binomial series for the given function.(1 - 7x2)-1/2

A. 1 + x2 + x4 + x6
B. 1 + x2 + x4 + x6
C. 1 + x2 + x4 + x6
D. 1 + x2 + x4 + x6

Mathematics

Use Simpson's Rule with n = 4 steps to estimate the integral.

A.
B. 49
C.
D.

Mathematics

Use the preference table to answer the question.The preference table shows the results of an election among three candidates, A, B, and C.  (a) Using the plurality method, who is the winner?(b) Is the majority criterion satisfied?

A. B; yes B. A; yes C. C; yes D. A; no

Mathematics

Find the area of the SSS triangle ABC. If necessary, round the answer to two decimal places.a = 14, b = 32, c = 26

A. 181.99 B. 5280.01 C. 3219.69 D. 177.99

Mathematics