Answer: arithmetic
Step-by-step explanation: arithmetic cause is repeating its self
The correct answer is:
C. The polygon with 8 sides and a concave shape (attached)
1) , , , (given)
2) (reflexive property)
3) (SSS)
4) (CPCTC)
5) and are right angles (perpendicular lines form right angles)
6) and are right triangles (a triangle with a right angle is a right triangle)
7) (HA)
8) (CPCTC)
Answer:
y=-6 that would be it. remember slope is rise over run