The lower quartile is the median of the lower part of the data.
Answer:
Step-by-step explanation:
-16 + 12s - 22t + 6u
Answer: Option D is correct.
Step-by-step explanation:
Since we have given that
focus = (-5,5)
and a directrix y= -1
Since, equation of parabola in this case will be

Now, here

So equation will be
So, option D is correct .
I think b or d are answer ...