Answer:
in first use the take B as a reference point then 12 will be our perpendicular and c as 90 degree represent the opposite as hypotenuse means 13 will be hypotenuse nd base will be 5.At last use Pythagoras theorem,...
X=2
Step-by-step explanation:
m=9
11-9m=-70
-11 -11
-9m = -81
divide both sides by -9 and you get m=9