In a city, the distance between the library and the police station is 3 miles less than twice the distance between the police station and the fire station. the distance between the library and the police station is 5 miles. how far apart are the police station and the fire station?

10x − 5y + 14 = 0 whats the answer pls

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.