Quick, ! needed fast! 20 points! in this triangle, what is the value of x? enter your answer, rounded to the nearest tenth, in the box.

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?

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

What expression is equivalent to 1/2(2+3x-6)