What survival rate in the 10th year would make the average rate of loss over the 10-year period equal to 38.0%?

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?

How many zeros does the function f(x)=4x3-x2+1 have

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?