Which equation represents the line that is parallel to y=3/7c+11 and passes through (-21,42)

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

Convert 2000 swiss francs to dutch guilders

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?