Answer:
option D. 4.7 x 10-4 m
Step-by-step explanation:
<u><em>The correct question is</em></u>
• cell P: 5.0 x 10-4 meters
• cell Q: 3.0 x 10-5 meters
we have
The diameter of cell P is 
The diameter of cell Q is 
Rewrite the diameter of cell P as

Find the difference

Rewrite the difference as

Answer: D
Step-by-step explanation:

This question wants to know the domain. For example: (2,4) 2 is the domain and 4 is the range.
Then, they want you to solve by finding X the range when x =-1
x-4/x^2+5x-36
Put -1 everytime you see x
-1-4/-1^2+5(-1)-36
-5/1+(-6)-36
-5/-41 This is the range.
I don't know honey, but I think it can be the 2nd choice, the answer...
50 miles/1 hour = ? miles/200 miles.
I hope I helped and goodluck :)
For every 3 you go across you go up 1 so the gradient is rise/run = 1/3
Therefore gradient is 1/3