Answer:
A
Step-by-step explanation:
Any rational expression where the denominator is zero is undefined.
The only expression where the denominator is zero is A 
The answer is 33 pie mm^3
Answer:
I don't know what those answer choices are but the answer should be: 
Step-by-step explanation:
4-2 = 2
3 - (-2) = 5
Put the y values over the x

This is just a basic proportion. 5/8 = x/12. So the 5 foot tall women would have a 7.5 foot shadow.
Hello,
Using the theorem of Thalès,
PR/TP=QS/TQ==>QS=4*20/16=5
Answer A