Help this is a major grade help ASAP plzzz 17 points

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection