Solve.
= 6 - x
A. ±5
B. -9, -4
C. 4
D. ±
Answer: C
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Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 62
B. 
C. 50
D. 74
Solve the problem.The city park district is planning on sodding the outfield of the little league baseball field. Thedistance from home plate to the outer edge of the infield is 70.00 ft. The angle between the outer edge of the first and third baselines is 90°, and the radius of the sector is 315.0 ft. Determine the area of the outfield.
A. 73,030 ft2 B. 4,460,000 ft2 C. 77,930 ft2 D. 306,800 ft2
Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. ray; 
B. line segment; 
C. line; 
D. line; 
Given a = 10, b = 12, and c = 8, use the Law of Cosines to solve the triangle for the value of B. Round your answer to two decimal places. ?
A. 82.82° B. 55.77° C. 41.41° D. 80.44° E. 60.33°