Which Does Not Belong And Why?

(Need explanation plz! ill mark brainliest.

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?

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.

What is the equation of the parabola with focus (-1,-1) and directrix y=1?