When 24 is subtracted from b, the result is -80. find b

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

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

(a. s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]