Can someone please answer these questions!

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

Who long does it take to drive 150 miles at 45 miles per hour

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?