The answer to that is: -12f+6g
Hope this helps ;-)
Answer:

Step-by-step explanation:
Given:
Width of average grain of salt is, 
Width of Rhinovirus is, 
Now, expressing each width in scientific notation form, we get:

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

Therefore, the grain of salt is
wider than Rhinovirus.
A is correct.
-8, -4, 0, 2
-|-4| becomes -(4) which becomes -4.
2x+7=3x+3 is a linear equation with on solution