Answer:

Step-by-step explanation:
When you have exponents above a like term and they are being multiplied together, you add them.
For example:

So let's group like terms in the numerator:
We can add terms like in the example.

Let's rearrange the denominator.

Now we have:
Cancel like terms
4/8 = 1/2
= 1 So it cancels
= s Since s is raised to the -1 it goes on top and becomes s.

Now we combine everything back together:

Step-by-step explanation:
wait, I will look my lecture last year
Answer:
I'm not able to answer your question
Step-by-step explanation:
due to the fact that you can't divide with multiplication I'm unsure on how to help you
Answer: -1
Step-by-step explanation: