Ummm me dont do math but i say dat it wuz a goowd numbwa 2
You would best do this by completing the square on the quadratic and subbing in the vertex they give you, like this:

Since the y coordinate of the vertex is 1/2 and we need to solve for c, set the

equal to 1/2 and solve for c, which is the whole point of what we are doing, right?

and


and c = 4. So that's our answer!
Answer:
First one
Step-by-step explanation:
Mean:43
Mode:n/a
Median:35
Range:80