I can answer most of them!
Answer:
<h2>✓ Simplifying Expressions</h2>
<h3>Solution:</h3>
- Adding the numerical coefficient with the terms that have the same variables. Meaning they are like terms. Adding the base and then copy the variables.
<h3>> Therefore, the answer is 7y.</h3>
Answer:
3x^2 or 3x squared
Step-by-step explanation:
4x^2-x^2=3x^2
4x squared-x squared equals x squared
when subtracting squared it's like subtracting normal numbers
Answer: The answer is C, 4 to the 21st over 5 to the 6th power.
To round off to 10, the difference should range from 5 to 14. If the difference between two numbers is from 5 to 14, they all are rounded to 10.
Example:
(near to 10)