Could somebody explain this problem to me?

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

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.