Answer:

Step-by-step explanation:
To find this derivative, we will need to use the chain rule.
As there is a variable in the exponent we can use this formula:

In this case,
and 
This means that
and
respectively
This gives us 
Answer:
6x^2^x^2+x^4
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
25 degrees is the answer. CBE is supplementary to ABC. That means those two angles add up to 180 degrees.