Answer:
y coordinate = 13
x coordinate = -1
Step-by-step explanation:
Trail and error lol
You can conclude that the sides are parallel because the slope of the opposites are the same. (Second option).
You can conclude that the polygon is a rectangle since it has 4 90º angles, and 4 sides, each one parallel to the other and of the same lenght as it's parallel. (Last option).
Answer:

Hope it helped,
Happy homework/ study/ exam!
Answer:
a.) 9, -9
b.) 2(sqrt)15, -2(sqrt)15
c.) 4, -2+2i(sqrt)3, -2-2i(sqrt)3
d.) 3(sqrt)75
(some of the numbers are placed differently than I wrote them so here are screenshots- pls look at them rather than what I wrote ;w;)
"Product" means to multiply, so you have to multiply 379 by 8 to get 3,032; it's between the numbers 3,031 and 3,033