Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle. 
A. Law of Cosines
B. Law of Sines
Answer: A
Mathematics
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Find the root.
A. Not a real number
B. 1
C. 5
D. 
Mathematics
Find the area of a sector of a circle with radius r and central angle ?. Round your answer to one decimal place.? = 20°, r = 6.0 m
A. 1.0 m2 B. 0.2 m2 C. 12.6 m2 D. 6.3 m2
Mathematics
Write the first four terms of the arithmetic sequence with the given characteristics.d = -7, a11 = -53
A. 10, 3, -4, -11 B. -53, -60, -67, -74 C. 17, 10, 3, -4 D. 0, 17, 10, 3
Mathematics
Find the slope and the y-intercept of the line.y = 6x - 5
A. m = 0; b = 5 B. m = -6; b = -5 C. m = 6; b = -5 D. m = 1; b = 0
Mathematics