Verify which of the following are identities. 1) 13 sec theta sin theta=13cot theta tan^2 theta 2) 9 cot^2 theta/ csc theta sec^2 theta= 9 tan theta cos theta csc^2 theta

Name the most appropriate metric unit for each measurement

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?

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?