B. Isosceles. that is the correct answer
We know, equation of ellipse is given by :

Here,
(h,k) is centre of the ellipse = (0,0).
a = major axis = 8.
b = minor axis = 4.
Putting all given value in above equation, we get :

Hence, this is the required solution.
Answer:
4 hours
Step-by-step explanation:
She will take 4 hours.
If she reads at 25 pages per 30 minutes, that will be 50 pages per hour.
It will take 2 hours to read 100 pages, therefore it will take 4 hours to read 200 pages.
Answer:
1st question is x<5, 2nd question is x =5
Step-by-step explanation:
The answer to the problem is 36