Trains Two trains, Train A and Train B, weigh a total of 360 tons. Train A is heavier than Train B. The difference of their weights is 272 tons. What is the weight of each train?

Don't know how to find x given these segment lengths

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?