Find the minimum-cost spanning tree for the graph.
A. 
B. 
C. 
D. 
Answer: D
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Determine the indefinite integral.
A. -csch2 x + C
B. -csch x coth x + C
C. coth2 x + C
D. 
+ C
Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 49 feet from point A and 67 feet from point B. The angle ACB is 49°. How far apart are points A and B?
A. 105.8 ft B. 50.8 ft C. 95.1 ft D. 68.8 ft
Solve the inequality and write the solution set using interval notation.a2 - 4a + 15 < 0
A. (-?, ?) B. No solution, or ? C. (-?, 11) ? (19, ?) D. (-15, 15)
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3
A. log3(x - 6) - 5log3x B. log3(x - 6) -log3x C. 5log3x -log3(x - 6) D. log3(x - 6) + 5log3x