Use the formula a^2+b^2=c^ which is 7.21
Answer:
9+2a+7+4a-8
2a+16+4a-8
2a+8+4a
6a+8
Step-by-step explanation:
you can't really get an answer for this problem but you can simplify it
Answer:
Tell her to do more practices in math. You can also recommend her here at Brainly if she finds hard questions to solve.
Step-by-step explanation:
Answer:
A,D,C
Step-by-step explanation:
Hello!
Okay, so first we need to add like terms... so first, add the terms with the same variables. That gives us:
9x + 7y + 4 + y
Now add 7y and y
That gives us:
9x + 8y + 4
This can't be added anymore... this is as far as we can go because they are no longer like terms.