AYUDA! Necesito ayuda con estas sencillas preguntas son muy fáciles y pago bien :)

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

The slope of the line whose equation is 2x - 1 = 0 is