Can someone answer my questions ? Please the 2 questions are for a quiz due by 2:00 pm. And I need to take it to have my grade up. Thxs and also no links

What is the equation of the linear function represented by the table?

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?