Question in image below.

A.) SSS Postulate

B.) CPCTC

C.) Reflexive Property of Congruence

D.) Definition of segment bisector

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

∆red ≅ ∆ by rule will give brainiest if possible

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?