Aflower 3 in. tall grows an average of 1.5 in. each month. which equation models the flower’s height h after x months?
3 = x + 1.5
h = 3x + 1.5
h = 1.5x + 3
1.5 = x + 3

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?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4