Answer: I believe the Awnser is 18.75
Step-by-step explanation:all you have to do is divide 78 and 1/4
The axis of symmetry of a parabola in the form

is a vertical line

where k is the x coordinate of the vertex of the parabola.
The x coordinate of the vertex of the parabola is given by

which in your case is

So, the axis of symmetry is the line x=12.
Answer:
1.6e+13
Step-by-step explanation:
50*200^5=1,600,000,000,000