What is the slope of the line that passes through the points (8,8) and (20,-2)?

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Is a positive integer raised to a negative power always positive