There is no difference, 6rs-(-2rs) if you get rid of the parenthesis you are left with 6rs- -2rs and two negatives make a positive therefore the answer will become 8rs... I hope this helps :)
X=5 because you add 2 to both side and get 3x=15, and then you divide both sides by 3 to get x alone, and get 15/3 which equals 5
Answer:

Step-by-step explanation:
tanx=
sin60°/cos60°=
= 
Answer:
I think it is ikinetic because it gains speed as it gets closer to the ground.