The square root of 72 is it closer to 8 or 9

Me what is the value of x? showing work would be appreciated - ! : )

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.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?