2/3n - 6 = 18 ( this is a 2 step equation )

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54