A line has a slope of -1/8 passed through the point 5,10

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.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Factor the polynomial by its greatest common monomial factor.