What numbers do I use if I am trying to regroup using the numbers 754,900-245,100

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

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Can you me find the slope! (30 points)