Given the proportion a/b=5/19, what ratio completes the equivalent proportion a/5=?

What is the most accurate measurement of 1 pound

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 are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2