One way to do this is to notice

Then

We have

and since
has a period of
,

and so

The equation for the perimeter of a rectangle:
P = 2L + 2W
We’re given P and L and asked to find W:
15x + 17y = 2(7/2x + 7y) + 2W
15x + 17y = 7x + 14y + 2W
2W = 8x + 3y
W = 4x + 3/2y
Answer is A.
The distance is 6 I think
Answer:
Step-by-step explanation:
distance d=