It is the first one because fist you reflect it to the right across the y axis, then you reflect it down across the x axis, and last but not least, you reflect it left across the y axis where it is now
hope this is helpful! :)
Answer: 1. 12ft a. acute angle
2. 100m a. acute angle
3.b= square root (c^2-a^2)
b= square root (13^2 -12^2)
b= 5 m a. acute angle
Step-by-step explanation: