I am not sure if you gave all of the information but if you did A because A > B. Did I miss something?
Answer: b and d
Step-by-step explanation:
Since the roots are x=2 and x=6, we can write the equation as

Substituting in the coordinates of the vertex,

So, the equation is 
On expanding, we get 
Answer:
y = 90
Step-by-step explanation:
Since, e || f and a || b
Therefore, quadrilateral so formed is a rectangle.
Each angle of a rectangle is right angle.

Letter c
-4-9=-13
What is saying u start at -4 See the arrow point go left on number line 9 spaces so your subtracting to give you-13