Helppp i need it answered nowww :((

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?