Please help me due very soon. with 16

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

What is the slope of the line shown below?

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