What is the equation of the line that passes through the point (3,-6) and has a slope of 4/3?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Nikolas calculated the volume of the prism. his work is shown below.

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