Answer:
-0.5
Step-by-step explanation:
Answer: Your picture is blocked
Step-by-step explanation: Internet or something like that.
Answer:

Step-by-step explanation:
Given
--- initial
-- rate
Value after a year = $20.70
Required
Expression to calculate its value after y years
This is calculated using:

Where

Substitute
in 



Substitute
and
in 

Ummm I can’t answer this question