Given:
The equation is

To find:
The coefficient and reciprocal.
Solution:
We have,

Here,
is multiplied with x.
So, the coefficient of x is
.
To find the reciprocal, we need to interchange numerator and denominator of a fraction.
So, the reciprocal of
is 
Therefore, the reciprocal is 3.
Answer:
91
Step-by-step explanation:
2p+18=200
subtract 18 on both sides
2p=182
Divide 2 on each side
p=91
Answer:
D
Step-by-step explanation:
You have to have exactly the same thing underneath the radical. So for example in choice A you have sqrt(2) and sqrt(3) underneath the radical. They are not the same. Choice A is not the answer.
Choice B has the same problem sqrt(5) is not the same thing as sqrt(3) and choice B is not the answer.
Choice C has sqrt(5) and sqrt(6) as your choice. They are not the same. C is not correct.
D is the answer. Both choices have sqrt(7) as the radicals. They are both 7. They are the same.