A cell phone company offers a monthly phone plan for an access charge of $39.99. The plan includes 450 minutes and charges $0.45 per minute for any additional minutes. Write a piecewise function to
model the cost of the cell phone plan.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b

Pls i’m super dumb and i need with this one it’s due tomorrow