Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = -8 - 6i and w = 13 + 4i. Find z + w.

A. 5 + 2i
B. 5 - 2i
C. 13 - 2i
D. 13 + 2i


Answer: B

Mathematics

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Decide whether the statement is true or false.{12, 20, 32, 52} ? {2, 4, 6, 8, ..., 98}

A. False B. True

Mathematics

The graph of a quadratic function is given. Choose the function's equation.

A. f(x) = x2 + 3 B. f(x) = x2 - 6x + 9 C. f(x) = x2 - 3 D. f(x) = x2 + 6x + 9

Mathematics

Perform the indicated operation.(3x2 + 7x - 1) - (-5x2 + 9x + 2) + (-2x2 - 3x - 5)

A. 6x2 - 5x - 8 B. -4x2 + 5x - 8 C. -4x2 - 5x + 8 D. 6x2 + 13x + 4

Mathematics

Find the indicated term of the arithmetic sequence.Given an arithmetic sequence with d = 6 and a5 = 27, find a20.

A. 54 B. 119 C. 117 D. 59

Mathematics