the standard deviation of a discrete random variable measures the spread of the population of all possible values of x true or false

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Which graph represents the parent function of y=(x+2)(x-2)

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?