A restaurant chain models its profit between the years 2004 and 2025 using the equation P = 1.7sqrt(x - 2000) where P is the profit in millions of dollars and is the year. Using this model and technologyin year was chain's profit 6.8 million dollars?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?