For positive integers p and q, which of the following can be written as q^2?	Pick:
A) p^2+12
B) p^2+11
C) p^2+8
D) p^2+7
E) p^2-7
Plug values: if p=4, then 4^2-7=9   The question asks which of the following CAN be written as q^2. If p=4, then p^2-7 CAN be written as 3^2.   Answer: p^2-7
<result>E</result>
For positive integers p and q, which of the following can be written as q^2?