Evaluate.
A. -1
B. 0
C. -5
D. 1
Answer: B
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Solve the problem.The path between three landmarks in a national park form a right triangle. The oldest living evergreen tree is at point A, the ranger station is at point B, and the natural hotspring is at point C. The right angle is at point C, and there is a 60° angle at point B. If the distance between the hotspring and the evergreen tree is 586 yards, find the distance, x, from the hotspring to the ranger station. Round to two decimal places if needed. 
A. 828.73 yd B. 338.33 yd C. 414.3646 yd D. 1014.98 yd
For the equation below, find all degree solutions in the interval 
. Give your answer in degrees. If rounding is necessary, round to the nearest tenth of a degree. Use your graphing calculator to verify each solution graphically.
?
What will be an ideal response?
Solve the problem.A fire is sighted due west of lookout A. The bearing of the fire from lookout B, 8.5 miles due south of A, is N 54.18°W. How far is the fire from B (to the nearest tenth of a mile)?
A. 15.5 mi B. 14.5 mi C. 16.5 mi D. 17.5 mi
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 