3x+5x-12=180
8x=180+12
8x=192
x=192/8
x=24
angle 1 = 5x-12
=5(24)-12
=120-12
=108
angle 2= 3x =3*24=72
angle 1 = angle 9
angle 9= 108
If this is the dance position you are describing, then the arm and the leg of the dancer both make "right" angles (90º angles) to the floor.
Answer:
Option C, 
Step-by-step explanation:





Answer: Option C, 
Answer:
zero probability, which means impossible
Step-by-step explanation:
there are no yellow marbles to select from