Which expression is equivalent to -51 - (-60)−51−(−60)

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

Factor the expression using gcf 9b+45

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.