Step-by-step explanation:
-9 x s = 6
-9 x 6 =s
-54=s
s=-54
Answer:
Amplitude 3; midline y=2
Step-by-step explanation:
The midline is the mean of both ends of the function in the graph.

The amplitude is the vertical distance between the midline and one of the end points.

(sorry for the basic math, i just want to make sure you know where im getting the values from)
Answer:
9 and 198
Step-by-step explanation:
Multiply the bottom by 18 or divide the top by 18.
18 is the proportional relationship.
Answer:

Step-by-step explanation:
Given the equation

This equation consists of two parts. In the left part, there is a logarithmic function
In the right part, there is a linear function 
To solve the equation graphically, you have to plot the graphs of these two functions and find the point of intersection of these graphs.
Hence, appropriate system is

Eighteen times twelve is 216... if that's what you're asking...