The sum of the speeds of two trains is 723.6 mph if the speed of the first train is 6.4 mph faster than the second train find the speed of each

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Describe the graph of 3x+2> 2 and 3x< 6