a polygon with seven sides is called a heptagon
Answer:
(0,0)
Step-by-step explanation:

Y= -4x+8.... all u had to do is subtract 4x to the other side and get that answer
1)

2)

each of other angles measures 82.5 degrees
3)

4)sorry I don't know the last one
Answer:
True
Step-by-step explanation:
5/8-2/8=3/8
5-3=2
2+3/8=2 3/8