Refer to the figure in which O is the center of the circle, ray PA is a tangent, m?BOC = 80°, PE = 10 ft, PD = 12 ft, PB = 19 ft, ER = 4 ft, ER = 4 ft, and BR = 5 ft.





Find DC.


Mathematics

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Evaluate the integral.dx

A. 3/2 + C
B. 3/2 + C
C. 43/2 + C
D. - -1/2 + C

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These triangles are similar. Find the missing length.

A. 3 B. 6 C. 4 D. 5

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Solve the problem.An aircraft going from Atlanta to Savannah on a heading of 123° (from north) is travelling at a speed of 650 miles per hour. The wind is out of the north at a speed of 19 miles per hour. Find the actual speed and direction of the aircraft.

A. 661 miles per hour; 124° from north B. 912 miles per hour; 124° from north C. 640 miles per hour; 124° from north D. 645 miles per hour; 124° from north

Mathematics

The graph shows the number of tickets sold each week by the garden club for their annual flower show.?What was the percent change in number of tickets sold from Week 3 to Week 5? Round to the nearest tenth of a percent.

A. 33.3% increase B. 25.0% increase C. 10.0% increase D. 30.0% increase

Mathematics