If it takes you 72 seconds to walk upstairs from the first floor to the fourth floor, how long does it take you to walk from the first floor to the eighth floor? (assume it takes the same amount of time to walk from one floor to next).

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?

Multiply. write your answer in simplest form. 3/8 x 5/7

Find the area of the triangle shown 3 by 6