X(year)| y ($ in billions)
1980 | 120
1985 | 165
1990 | 239
1995 | 290
2000 | 376

the table shows the billions of dollars spent on food and drink in u. s. restaurants for the years shown. find the rate of change for 1980 to 1990.

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

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?

Rationalize the denominator- 12x/√x-10