Answer: The slope is -2
Step-by-step explanation:
-First, you need the formula in order to find the slope:

-Place the two points onto the equation:

-Then, you solve:


Result:

Okay, my prior answer got deleted for no work, apparently.
I'll re-post it though.
That word problem translates to:
Answer:

Step-by-step explanation:
Let total meal served

Answer:
You need to find the x and y intercepts so...
The x intercept is (18,0) since x=18
The y intercept is (0,12) since y=12
Step-by-step explanation:
Cover the y when you are finding the y intercept
Cover the x when you are finding the x intercept
8x/8
144/8
=18
12y/12
144/112
=12