Why was there little chance of success for clumsy thieves

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

Select the quadratic that has root x = 8 and x = -5

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.