Yovana va de viaje con sus padres de Lima a Arequipa y para eso tiene a su disposición 5 líneas terrestres; 6 líneas aéreas y 4 líneas marítimas; ¿ de cuántas formas pueden viajar Yovana y sus padres a Arequipa?

answer: i think it is (1,-2)

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.

- (2, -7)

- lines r and s and lines t and u must be parallel