Answer:
There is no slope. 
Step-by-step explanation:

(2, 2) and (4,2) makes a horizontal line. All horizontal lines on a graph have no slope.
This downward-opening parabola has its vertex at x = -8, so the function is decreasing on the interval (-8, ∞).
Answer:
Option D. about
inches
Step-by-step explanation:
we know that
To find how long is the room in inches multiply the length of the shoe by the number of shoe lengths
so

therefore
the length of the room is about
inches
Answer:
45
Step-by-step explanation:
a line makes 180 degrees
180-135=45