PLEASE HELP 90 POINTS + BRAINLIEST

Given that abcd is a parallelogram solve for m

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

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