Answer:
X<-19
Step-by-step explanation:

Answer:
Axis of symmetry
Step-by-step explanation:
Answer:
It would be an irrational number.
Because of π, or pi, it has no end, no pattern, and that multiplied by four will still be irrational. It can not be represented on a number line or infinite decimal expansion.
Answer:
X=16
Step-by-step explanation:
Since the lines are parallel the angles are equal so set the equations equal