Solving special systems.

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.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

X+y=-4 x-y=2 use elimination with adding and subtraction