<span>In 10 years, you will have $31,049.30</span>
Answer: 
Step-by-step explanation:
You need to use the following formula:

Given the points A(6,3) and B(8,1), you can identify that:

Now, you can substitute these values into the formula
.
Therefore, you get this result:


517284 books have been sold to date.
Step-by-step explanation:
Given,
Copies sold in first month = 41900
This represents 8.1% of copies sold to date.
Let,
x be the number of copies that have been sold to date.
8.1% of x = 41900

Dividing both sides by 0.081

Rounding off to nearest whole number
x = 517284
517284 books have been sold to date.
Keywords: percentage, division
Learn more about division at:
#LearnwithBrainly
The probability is found from a suitable table or probability calculator.
p(z < 1.3) ≈ 0.9031995154