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:
x=-4 , x=3
Step-by-step explanation:
just did it on math-ways
Answer:
<em>(675°F − 32) × 5/9 + 273.15 = 630.372K </em>
Hope it's right if not so sorry :)