Plot the complex number in the complex plane.9 + 2i 

A.

B.

C.

D.


Answer: B

Mathematics

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Find the missing parts of the triangle.B = 27.4°b = 11.68a = 24.0 

A. A = 14.7°, C = 138.9°, c = 39.68 B. A = 12.7°, C = 138.9°, c = 37.68 C. A = 13.7°, C = 138.9°, c = 35.68 D. No solution

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Use Pascal's triangle to answer the question.How many entries are in any row n in Pascal's triangle?

A. n + 1 B. n C. n - 1 D. n + 2

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Find the exact area of the circle.

A. 30.25? sq in. B. 1774.67? sq in. C. 121? sq in. D. 484? sq in.

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If a problem asks “how many cubes are in the nth figure,” an approach to solving the problem might be:

(a) Guess and Test. (b) Draw a Picture. (c) Make a Table. (d) Look for a Pattern. (e) Use a Variable.

Mathematics