1. The number 47 is _____. A. a rational number B. a whole number C. a whole number, an integer, and a rational number D. a whole number and an integer Hint 2. Find . A. -15 B. -14 C. 14 D. 15 Hint 3. Find A. B. C. D. Hint 4. Estimate the area of the triangular piece of land using Heron's formula. A. 10 square miles B. 12 square miles C. 9 square miles D. 11 square miles Hint 5. Write an equation you could use to find the length of the missing side of the right triangle. A. 72 = 222 + b2 B. 222 = 72 - b2 C. b2 = 222 - 72 D. b2 = 222 + 72 Hint 6. A rectangular state flag has dimensions 7 feet by feet. How long is its diagonal? A. about 3.5 feet B. about 8.9 feet C. about 4.3 feet D. about 6.6 feet Hint 7. The coordinates of points R and S are (4, 7) and (-1, 2), respectively. What is the distance between the points to the nearest tenth? A. 5.8 units B. 7.1 units C. 5 units D. 4.7 units Hint 8. Estimate the length of a side of a square whose area is 262 in2. A. 15 in. B. 18 in. C. 16 in. D. 17 in. Hint 9. Determine whether is rational or irrational. A. Rational B. Irrational C. Both D. Neither Hint 10. A 9-foot ladder is placed 4 feet from the base of a building. How high does the ladder reach? A. about 7 feet B. about 8.1 feet C. about 9.8 feet D. about 5 feet Hint 11. A guy wire is attached to a pole. It is anchored to the ground 5 feet from the base of the pole. If the wire is 18 feet long, how high is the wire attached to the pole? A. 17.3 feet B. 16.8 feet C. 13 feet D. 18.7 feet Hint 12. A unit on the grid of the map of Memorial Park is 0.06 mile. Find the distance between the old oak tree at (-4, 1) and the ranger station at (4, -3). A. 0.99 mile B. 0.54 mile C. 9.94 mile D. 5.4 miles Hint