Find the missing number so that the equation has infinitely many solutions.
_x + 4 = 4(-x + 1)

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

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?