Which pair of terms are NOT like terms? A) 2mn and mn^2

B) 3p^2q and -p^2q

C) -x and 3x

D) 1 and -1

A) 2mn and mn^2

that's my final answer

a=r

d=q

c=p

b=s

hope this !

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.