
Now, we can just multiply it and obtain the result

I used law presented on this example
Answer:
linear model
Step-by-step explanation:
linear graph will produce a straight line
Y/x = 9/12 = 3/4
so
y = (3/4)x . . . . . . both x and y in dollars.
Answer:
2.37
Step-by-step explanation:
6.3 minus 3.93 is 2.37