Simplify each expression.
(204), a=0
1
80
1
2012
1
8g12
1
20
DONE

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?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?