After taking a dose of medication, the amount of medicine remaining in a person's
bloodstream, in milligrams, after x hours can be modeled by the function
f(x) = 85(0.78)”. Find and interpret the given function values and determine an
appropriate domain for the function.

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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?