Answer:
lol coronavirus is real :(
Step-by-step explanation:
Answer: b, d
Step-by-step explanation:
Corresponding angles are formed when two parallel straight lines are cut by a transversal

In the figure,
are alternate angle

Width=w
length=(40-2w)/2=20-w
A=w(40-w)
A=40w-w²
A'=40-2w=0
2w=40
w=20
20x20 is the size of the pen having the greatest area. this tells us the largest rectangle for a given perimeter is a square
A)
Yes, it's

b)
Karen and Lyle have fixed positions, so
The answer to this problem is -4y+9x