Answer:
i graphed it for you in a calculator
Considering that their household expenses is of $120,000, the mortgage is 12% of their expenses.
The percentage of an amount a of an amount b is <u>a multiplied by 100% and divided by b</u>, that is:

In this problem, the mortgage is of $14,400, while the total expenses are considered to be of $120,000, hence:

The mortgage is 12% of their expenses.
You can learn more about percentages at brainly.com/question/24729807
Answer:
Option (d) is correct.
6 + 9 + 12 +15 = 
Step-by-step explanation:
Consider the given series expansion 6 + 9 + 12 +15.
since we have to write in series form of 3.
We first write each term of given series in term of 3k or 3k+3
6 can be written as 3(2) or 3(1)+3
9 can be written as 3(3) or 3(2)+3
12 can be written as 3(4) or 3(3)+3
15 can be written as 3(5) or 3(4)+3
Thus, we can write the given series as ,
or 
Since, we have options to choose.
From the given option (d) matches our result.
So, 6 + 9 + 12 +15 = 
Milli = .001
deci = .01
centi = 1
kilo = 1000