Find the measure of the indicated angle. The figure is not drawn to scale.Find the measure of ?z.
A. 38°
B. 128°
C. 142°
D. 138°
Answer: B
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Find the second derivative.s = 
+ 8
A. 8t2 B. 16t + 8 C. 8t D. 16t
Provide an appropriate answer.Fill in the blanks (four of them) with the best responses:To use DeMoivre's theorem to find the n nth roots of a complex number: 1. Express the number in ________________form. 2. Express the root as a ________________ exponent. 3. Use 
n = 
with ? to find one root. 4. Use 
n = 
and add _______° to ?, _________ times.
A. rectangular; decimal; 360; n - 1 B. fractional; polar; 360; n - 1 C. fractional; polar; 180; n - 1 D. polar; fractional; 360; n - 1
Find the numerator determinant for x in the following equations: 2x + 3y = 3; 4x - 2y = 6
a. ³3 3³ ³ ³ ³2 6³ b. ³2 3³ ³ ³ ³4 2³ c. ³2 3³ ³ ³ ³4 6³ d. ³3 3³ ³ ³ ³6 -2³
Use long division to divide the polynomials.
A. x + 5
B. x + 
C. x + 4
D. x + 4 + 