It's 139 because you divide 347.5 by 2.5 = 139
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.
Step-by-step explanation: i am pretty sure it is 1