Find the slope of the line perpendicular to each given line

What is the binomial expansion of (2x-3)^5

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

How do you write a paragraph proof to prove that the corresponding angles shown are congruent