What is the greatest common factor between 18 and 24?

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?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base