Which line has an x-intercept of 4?

2 x+ 2 y = -8
4 x + y = 8
-2 x + 2 y = -8
-4 x + y = 8

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 statement justifies why angle ebc measures 90?

How can you tell when x and y are not directly proportional?