Answer:
25.35
Step-by-step explanation:
390 × 6.5% = 25.35
By subtracting the given addend to the sum, we see that the other addend is:

<h3>
How to get the other addend?</h3>
We know that the sum of two polynomials is:

One of the addends is:

To get the other addend, we can subtract the given addend to the sum:

Then we can conclude that the other addend is:

If you want to learn more about polynomials:
brainly.com/question/4142886
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Answer: 5:6
Explanation:
The 2 polygons are similar
So 25/30 = 25.5/30.6 = 5/6 or 5:6
Answer:
C. 10
Step-by-step explanation:
You can take the blank as x
so 361.2 / x = 36.12
multiply by x
361.2 = 36.12x
divide
x = 10
Click here: https://mathbitsnotebook.com/Algebra1/Polynomials/PObispecial.html
and follow the last example on the page.