I believe the answer is c
Greetings!
When reflecting a shape over the x-axis, you simply change the number to its opposite positive/negative equivalent.
This means that the new co-ordinates would be (-5,1) , (-5,4) and (-2,4).
Hope this helps!
Answer:
Flexibility: Stretching
Endurance: Being able to dance for periods of time
I believe it would be D) ST ≈ TR