One day less than 3 weeks?

20 Days

Explanation:

21 Days = 3 Weeks

Minus 1, that is 20 days.

The answer to your question is the first option is correct

Step-by-step explanation:

Data

From the graph we get

Center = (0, 0)

Focus = (-7, 0) and (7, 0)

a = 12

c = 7

It is a horizontal ellipse

Formula

Process

1.- Calculate b

           a² = b² + c²

           b² = a² - c²

           b² = 12² - 7²

           b² = 144 - 49

           b² = 95

2.- Substitution

3.- Conclusion

The first choice