Cassie deposits $40 in a savings account. the money earns $1.40 per month in simple interest, and she makes no further deposits. is her account balance proportional to the number of months since her initial deposit? show your work.

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?

What are the solutions to the equation 4x2+3x=24-x

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?