You draw three marbles without replacement from a bag containing three green marbles and four black marbles list the number of possible outcomes

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?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.