What is the mean absolute deviation of the data set?

{6, 7, 9, 5, 4,11

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Plzzzzzzzzzzzzzzzzzzzzzzzzz will give brainliest

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?