(2•6)^3 rewritten as an expression

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)