Answer:

Step-by-step explanation:
When simplifying an exponent a way to do is to expand the exponent. This means that it will now be

Whenever you see an x or y on the numerator and denominator cross it out because it is the same thing as 1
When you cross out all of the x's and y's the only variable left is y in the denominator. This means that the answer is 
Answer:D
Step-by-step explanation:
In d the x’s cancel out so y is not a function of x anymore!
Answer:
1/6 of a minute.
Step-by-step explanation:
B. unlikely event
The chance of this happening is very unlikely not impossible.