Solve. Write a mixed numeral for the answer.Find the length of the section represented by x in the figure. 
a = 2
b = 11
A. 11
B. 19
C. 6
D. 6
Answer: C
Mathematics
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A. log 8 8x B. log 8 8 C. 8 log 8 x D. log 8 8 ? log 8 x
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Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
A. 6, 330° B. 9, 150° C. 9, 210° D. 6, 150°
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Factor. Assume that all exponents are positive.a2n - b2
A. (an + b)(an - b) B. (an + b)(n - b) C. 2(a - b)(a + b) D. (an - b)2
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Solve.Given that sin ? = 0.4136 and that ? is in quadrant I, find cos 
.
A. cos 
= 0.9774
B. cos 
= 1.0751
C. cos 
= 0.8796
D. cos 
= -1.857
Mathematics