Find the range, the standard deviation, and the variance for the given samples. Round non-integer results to the nearest tenth. -25, -30, -19, -32, -3, -5, -21

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.

Solve the triangle. a = 21°, c = 105°, c = 5

Express -5 2/5 as an improper fraction.