Answer:
Option A - Positive
Step-by-step explanation:
Given : Expression
when 
To find : What is the sign of the expression ?
Solution :
Expression 
when 
We know that,
When a negative unit is divided by a negative unit then the negative sign became positive sign as negative sign get cancel in numerator and denominator.
So, 
The sign of expression is positive.
Therefore, option A is correct.
The area of a circle is r^2pi and 2r = diameter. Thus r=diameter/2
r=6/2= 3 inches so the expression is 3^2*3.14 so I believe it's B
I'm not sure if this is a trick question but 1/2 because there are 2 options(yellow or blue) and one desired outcome(yellow)