Probably the intended ellipse is the one with equation

We can parameterize
as a piece of this curve by

with
. Then

etc
Yes, the two lines are parallel which makes No solution the correct answer.
Answer:
so for each group just multiply the number of socks in each group to 5 and = s
so
1. s = 4x5
s = 20
Step-by-step explanation:
A. S/5; when S=20, the number of socks in each group is 4.
Answer:
Triangle has a greater perimeter.
Step-by-step explanation:
Triangle perimeter = 21cm
Add the sides.
Square perimeter = 16cm
Add the sides (since it's a square the sides are the same.)
Answer:
Step-by-step explanation:
Let the day number be d and the price after d days be p, then required equation is: