Atrain traveled 210 miles in 3.5 hours to its first stop. it then continued on traveling another 130 miles in 2.5 hours. what was the average speed of the train for the entire journey? a. 52 mi/h b. 56 mi/h c. 56.7 mi/h d. 60 mi/h

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Evaluate the following expression 1/3^2

Find the equation using the point (4,8)