Find the slope of the line that passes through (2,1) and (4,5)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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?

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