20 ! of 35 jewelers in her town, naomi polled the 5 biggest to learn about the latest jewelery trends. her sample is (biased; not biased).the sample is (representative; not representative) plz answer in that i need this asap

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?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?