Which of the following is a true proportion of the figure based on the triangle proportionality theorem?

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?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4