Respuesta :

Answer:

Step-by-step explanation:

20 is the value

keyomi5495

Answers:

1. Ellipse

2. a= 40 sin 30°

3. 36.9°

4. -√3

5. x=4±√11 , (x-4)²=11

6. -,

7. (x-3)²+y²=9

9. -23-2i

Step-by-step explanation:

took the quiz...

please make Brainliest....