What is 8,663,943,526 rounded to the nearest million? a. 8,663,000,000 b. 8,663,944,000 c. 8,664,000,000 d. 9,000,000,000

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

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?

Which two undefined geometric terms always describe figures with no beginning or end?