Answer:
a.
Step-by-step explanation:
The curve
is not a conic.
Convert to rectangular coordinates.
First multiply through by r.
Substitute
and
We can see clearly that this is not a conic.
is an equation of a cardioid.
is a circle.
is a parabola.
is an ellipse.
Answer:
18 eggs
Step-by-step explanation:
6 family member has 1 omelet, each omelet needs 3 eggs, 6 x 3 = 18 eggs :D
Http://www.personal.kent.edu/~bosikiew/Algebra-handouts/circles.pdf
I found this is may help but I don't know for sure.