Use your calculator to work out 2.5 x 13.7
4.9 + 1.6

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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?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)