For what value of x is the rational expression below undefined?
(3x-12)/(9-x)

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2