Aplicar y modelar la regla y propiedades para realizar multiplicaciones de polinomio por monomio ​

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.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5