Johnny has his money invested in a stock. The value v(x), of his portfolio can be modeled with the functions v(x) = 30,000(0.78)^x. where is the number of years since he made his investment. Which statement describes the rate of change of his value of his portfolio.​

Scarlett stopped at a campground along the appalachian trail. the campground had a 12 acre area for tents, divided into 6 equal campsites. scarlett picked one of the sections to pitch her tent. which expression would give you the size of scarlett’s campsite? (more than one answer