For the complex number, state the real part, the imaginary part, and identify the number as real, pure imaginary, or nonreal complex.-1 - 2i
A. Real part: -1 - 2; Imaginary part: 1; Nonreal complex
B. Real part: 0; Imaginary part: -1 - 2; Nonreal complex
C. Real part: -1 - 2; Imaginary part: 0; Real
D. Real part: -1; Imaginary part: -2; Nonreal complex
Answer: D
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Find the length of the missing side of the right triangle. Round to three decimal places, if necessary. The legs of the right triangle are represented by a and b, and the hypotenuse is represented by c.a = 5, b = 6
A. c = 8.31 B. c = 7.81 C. c = 5.5 D. c = 3.317
Solve the equation symbolically.6 ln 4x = 42
A. x = 
e7
B. x = e7/4
C. x = 
ln 7
D. x = 
e42
Read the English dial (the arrow near the zero indicates the initial deflection of the needle).
A. 0.242 in. B. 2.42 in. C. -2.42 in. D. -0.242 in. E. 0.342 in.
Divide. Leave the answer in factored form when appropriate.
÷ 
A. 
B. z + 3
C. 
D. 