Pls help me answer all 3 plz

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 quartic functions has x = –1 and x = –2 as its only two real zeroes?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)