What is the constant of proportionality between y and x as the equation y= 5/2 x

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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