2. What is ecological succession? Explain how organisms come back into an area after it is destroyed. (What comes first? 2nd? Last?)

Place the following steps in order to complete the square and solve the quadratic equation,

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

W-16=-12 solve each one step equation plz