Answer:
-7/20
Step-by-step explanation:
3/10 ÷ -6/7
Copy dot flip
3/10 * -7/6
-21/60
Divide the top and bottom by 3
-7/20
The appreciation rate would be 6.31% per year.
(4, 2) ----> ( 2, 1)
(4 - 2, (2 - 1) ----> (2, 1)
That's a vertical -1 and horizontal of -2.
That's the last choice.