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 
(x^2+5x-36)/(x^2-16)
=(x^2+9x-4x-36)/(x^2-4^2)
=x(x+9)-4(x+9)/(x+4)(x-4)
=(x-4)(x+9)/(x+4)(x-4)
=x+9/x+4
Hope this helps.
Answer:
in 20 weeks the baby will weigh nothing and is definitely dead
Step-by-step explanation:
5% of 8 is . 4
.4 x 20 is 8
Answer:
13
Step-by-step explanation:
HCF = Product of two numbers ÷ LCM of these numbers
HCF = 
= 13
Answer:
I’m afraid I can’t help you. The question makes no sense because the question doesn’t explain how many students there are. It just gives the weight of the books which I assume is useless
Step-by-step explanation: