So the percentage Mark makes comparative to the price of the refrigerator sold is

9%. If we take 9% of the given sale prices:
A:

B:

C:

D:

So (A) has the same commission rate.
You can use the Pythagorean theorem, a^2+b^2=c^2, to solve this.
b= square-root of (c^2)-(a^2)
b= square-root of (9^2)-(2^2)
b= 8.77.... which in the exact form is square root of 77.
-1.6
-1.35
0.3
0.5
Top to bottom, top is the lowest
I think the top right 1 is linear
Top left is neither and bottom is exponential
Answer:
B
Step-by-step explanation: