Alright, so since anything can be squared, the domain is (-inf, inf)
Step-by-step explanation:

Variable x is ryans miles
amy-ryan=answer
40-31=x
x=9
ryan ran 9 miles
hope this helps
40-31=x is the equation
C- Hexagonal. Basically you just double the sides of the 2d shape to find out the amount of vertices.
Answer:
-3/2
Step-by-step explanation:
(y2 -y1)/(x2-x1)
(-2 + 5)/(0 - 2)