Answer:
this
Step-by-step explanation:
but fr 1st one 3rd one and 5th one
The answers are the second to last on the bottom.
If you were to add the exponents, 5 and 4 will give you 9, so it will look like
[tex]7x^{4} + 7x^{5} = 7x^{4 + 5}[/tex]
Therefore, the answer is the 4th one.
