What is the midpoint of (4,8) and (3,12)

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Hi if you want to play a sports related kahoot go to kahoot.it and type in this code: 659344