1. 4n + 28
2. 30-10x
3. 3m+3n
4. 8+2j
The simple interest on the principal amount of $725 at a rate of 3.25% for 6 months is $736.78
<h3>What is simple interest? </h3>
Simple interest is calculated on the loan principal amount or the initial deposit into a savings account. It can be determined by using the formula:

where:
- P = principal = $725
- R = rate = 3.25%
- T = time = 6 months = 0.5 years

S.I = $736.78
Learn more about simple interest here:
brainly.com/question/2294792
Answer:
The answer is B
Step-by-step explanation:
2021 - 1962 =59
59-13=46
2021-46=1975
Then 7+3=10
It is 4t because you have to minus it and then you get 4t
no 8/9 is not equal 1 because 1 is 9/9.
the question is confusion