Two commercial jets flying at 40,000 ft. are flying towards an airport. Plane A, 100 miles from the airport, is flying south at 520 mph while plane B, 240 miles from the airport, is 240 is flying west at 450 mph. How fast is the distance between the two planes changing at this time?

4. find the geometric mean of 4 and 12. 24 8

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

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?