A helicopter rose vertically 10 miles and then flew west 13 miles. About how far was the helicopter from the starting point? A
18 miles
B
15.2 miles
c
16.4 miles
D
19 miles

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).