1. In circle O, a. b. and are tangents. (The figure is not drawn to scale.) Prove that . Find m BOD for m AOP = 64. Explain your reasoning. 2. Determine whether a tangent line to circle O is shown in the diagram, for AB = 7.75, OB = 4, and AO = 8.75. Explain your reasoning. (The figure is not drawn to scale.) 3. In circle O, CD = 44, OM = 20, ON = 19, scale.) Show your work. a. b. c. , (The figure is not drawn to Find the radius. If your answer is not an integer, express it in radical form. Find FN. If your answer is not an integer, express it in radical form. Find EF. Express it as a decimal rounded to the nearest tenth. 13. is tangent to the circle at B. m A = 14 and your work. a. Find x. b. Find y. (The figure is not drawn to scale.) Show 14. At a track meet, 50 people ran the 100-meter dash. 2 people finished in 11 seconds, 5 people finished in 12 seconds, 8 people finished in 13 seconds, 10 people finished in 14 seconds, 21 people finished in 15 seconds, 2 people finished in 16 seconds, and 2 people finished in 17 seconds. What is the probability distribution for the finish times? 15. Is there a similarity transformation that maps to ? If so, identify the similarity transformation and write a similarity statement. Explain your answer. A 4 C D 4 3 B F 8 8 6 E 16. Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of 14 cm. To the nearest whole number, find the number of square centimeters she will need to paint. Explain the method you would use to find the lateral area. 17. Determine whether a tangent line is shown in the diagram, for AB = 7, OB = 3.75, and AO = 8. Explain your reasoning. (The figure is not drawn to scale.) 18. The equation (x + 5) + (y + 3) = 169 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals. 19. An hourglass, composed of two identical cones, is 12 cm tall. The radius of each cone is 3 cm. If you want to fill the bottom half of the hourglass full of salt, how much salt will you need? Explain the method you would use to find the amount of salt. 20. Three balls are packaged in a cylindrical container as shown below. The balls just touch the top, bottom, and sides of the cylinder. The diameter of each ball is 13 cm. a. What is the volume of the cylinder? Explain your method for finding the volume. b. What is the total volume of the three balls? Explain your method for finding the total volume. c. What percent of the volume of the container is occupied by the three balls? Explain how you would find the percent