Heidi went to Joe's Market and bought 12 pounds of coffee at $8 a pound and 6 pounds of rice at $0.40 per pound. If Heidi paid for her purchase with a $50 bill, how much change did she receive?​

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4