Answer:

Step-by-step explanation:
22.5 can be written as a mixed number:

And also as an improper fraction:
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.
Answer:
4
Step-by-step explanation:
(y2-y1)/(x2-x1)=m
(10-2)/(3-1)
8/2
m=4
Answer: Yes.
Step-by-step explanation: If a number ends in 0, 2, 4, 6, or 8, the number even number.
Answer:
4.19
Step-by-step explanation:
just use the formula 2pir^2