Cheri uses her Tune-It-Up music card to make a $12 purchase of a few of her favorite songs. Which integer represents the effect of Cheri's purchase on the balance of her music card? A)−$12
B)−$11
C)$0
D)$12

What could explain what happened when the time was equal to 120 minutes

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189