Answer:
Yes
Step-by-step explanation:
All angles should add to 180, so 180-120 gives you 60, divided by 2 gives you a=30
Answer:
b) in the vertex.
Step-by-step explanation:
In the vertex. If the parabola opens up or down the axis of symmetry is x = a where a is the x coordinate of the vertex.
If it opens to the left or right the axis is y = a where a is the y-coordinate if the vertex.
