In Exercises 7-12, plot the points in a coordinate plane. Then determine whether AB and CD are congruent. Example 2 A(-4, 5). 8(-4. 8). C(2. -3), D(2, 0) A(6, - 1). B(1. -1). C(2. -3). D(4. -3) A(R, 3), (-1, 3), C(5, 10), D(5, 3) A(6, -8), 8(6. 1). C(7. -2). D(-2. -2) A(-5. 6). 8(-5. -1). C(-4. 3). D(3. 3) A(10. -4). 8(3, -4). 0(-1.2). D(-1.5) In Exercises 13-20, find FH. DExample 3 G 14 H 19 G 7 H 15 12 H 71 G 15 H 37 H 13 18. 22 H 15 G 19 42 H 2240 H ERROR ANALYSIS In Exercises 21 and 21, describe and correct the error in finding the length of AB. B 1 X AB =1-450-3.5 22. X AB = 1+ 45| -5.5 COLLEGE PREP Which expression does not equal 10? B (A) AC + CB (B) B - CA (O AR (D) CA + BCMODELING REAL LIFE In 2003, a remote-controlled model airplane became the first ever to fly nonstop across the Atlantic Ocean. The map shows the airplane's position at three different points during its flight Point A represents Cape Spear. Newfoundland, point B represents the approximate position after I day, and point C represents Mannin Bay, Ireland. The airplane left from Cape Spear and landed in Mannin Bay. D Example 4 North Europe America 501 mi 1282 mi Atlantic Ocean In Exercises 37-40, solve the equation. -ST - 10 397 1 + 7 -9 - 17 740 -5+X 2 In Exercises 53 and 54, find AC. 9 12