Alli and Beth are driving to meet up. Alli starts at mile marker 3 on the interstate and travels 60 mph. Beth starts at mile marker 503, travelling 65 mph. They will meet in hours. solve using subsitution * please answer fast my assignment is de at 11:59

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

How do i do this activity, is appreciated

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?