1. A high school is having a can food drive. • The freshman class collected 54 more cans than the sophomore class.
• The junior class collected three times the number of cans collected by the sophomore class.
• The senior class collected ten cans less than the sophomore class.
Write an algebraic expression in one variable to model the total number of cans collected at the school.

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Which of the following is true for the relation f(x)=2x^2+1

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?