A jug has a maximum capacity of 19 liters. It's filled to 30% of its capacity, and then poured out at a rate of 30 mL/s. Which of the following expressions models the volume remaining in the jug, in liters, after x seconds?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?