Quickly . find the length of side df. ∆abc≅∆edf.

equation, algebra process, and length. is what i need for this

Ineed to learn how to solve this problem

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

What are the values of a, b, and c in the quadratic equation 0 = x2 – 3x - 2? a = 1, b = 3, c = 2 a=, b = -3,c=-2 a = 1, b = 3, c= 2 a = 1.0= -3, c = 2