Chadwick bought 21 shares of Chipotle stock on Nov 1, 2016 for $351 per share. He sold the shares four years later for $780 per share.
1. What did Chadwick pay for all of the shares in 2016? Not final answer.
2. What was the value of all of his shares four years later? Not final answer.
3. How much money did he gain/lose with this stock? Not final answer.
4. What is his rate of return on his shares when he sold them? Final answer to submit.

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?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

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