I cannot help you with the first draging part since it needs to be done form your device.
But I can help you with the expression. Anything to the power of 0 power is equal to 1. Therefore:

Hope it helped,
BioTeacher101
Answer:
0.75
Step-by-step explanation:
300 out of 400 is the same as 3/4.
3/4 converted to a decimal is 0.75.
Answer:
D (I think)
Step-by-step explanation:
I used a right triangle calculator and that was the answer
Below is the process the calculator did, hope it helps.


Answer:
The rate of change in number of subscriber for the six years is 3.62%
Step-by-step explanation:
Given as :
The initial subscriber of newspaper = p = 10225
The subscriber of newspaper after 6 years of publish = P = 8200
The time period = t = 6 years
Let The average yearly rate of change = r%
<u>Now, According to question</u>
The subscriber of newspaper after n years = initial subscriber × 
Or, P = p × 
Or, 8200 = 10225 × 
Or,
= 
Or, 0.80195 = 
<u>Taking power
both side</u>
So,
= 
Or, 0.9638 = 1 - 
Or,
= 1 - 0.9638
Or,
= 0.0362
Or, r = 0.0362 × 100
i.e r = 3.62
So, The rate of change in subscriber = 3.62%
Hence, The rate of change in number of subscriber for the six years is 3.62% . Answer