The top three finishers in a bicycle race completed a 5-question survey about the race conditions. Which is the most likely cause of bias in the survey results? A. The survey was completed by the top finishers in the race. B. The survey included only 5 questions. C. The survey was completed after the race. D. The survey was given to people who competed in the race.

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?

Find the roots of the equation below. x^2 - 6 + 9 = 0

What is the slope of the line that contains the points (-2,1) and (0,-3)