Answer:
336
Step-by-step explanation:
What is the question supposed to be?
Answer:175.84 ft
Step-by-step explanation: the equation would be diameter times pi
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 