What is the equation of the line that is perpendicular to the given line and passes through the point (5, 3)? 4x – 5y = 5
5x + 4y = 37
4x + 5y = 5
5x – 4y = 8

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?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Find percent notation for 0.008 0.008=