A roller coaster rises 140 feet, drops 90 feet, rises
100 feet, and drops 200
feet. Describe the final
heighť of the
rollercoaster.

a. -50
b.-20
c.275
d.530

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.