Answer:
D. 10.1 centimeters
Step-by-step explanation:
Divide length by 10
This shows that Billy will have $12, 168.25 after 12 years
<h3>Compound interest</h3>
The formula for calculating the compound interest is expressed as:
From the information given, the amount is expressed as;

This shows that Billy will have $12, 168.25 after 12 years
Learn more on compound interest here: brainly.com/question/24924853
5.25% of 4000 is 210, multiplied by 17 is 3570, plus the initial 4000 comes to $7570.00
ANSWER
6.63
Explanation:
Equation used: c2 = a2 + b2 ( rearranged due to having the two sides )
c2 = 12^2 + 10^2
c2 = 144 - 100
c2 = 44
c2 = 6.63 ( the square root of 44 )
Ok, so you automatically know that you are subtracting 6 from 10 to get 4. So, in order to figure out how it is 1/3 of that number, it is going to be multiplied by 3, getting 18. So, the number would be 18.