Help pls my life depends on it

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?