A pine tree measured 40 an one half feet tall. Over the next 7 an one half years, it grew to a height of 57 feet. During the 7 an one half years, what was the average growth rate of the height of the tree?

Achild has a box full of colored building blocks. she will choose one block without looking. the odds against choosing a blue block are 4/7. what is the probability of choosing a blue block? amanda is playing a role-playing game with her friends. she will roll dice to determine if her character unlocks a treasure chest. the probability of her character unlocking the treasure chest is 13/20. find the odds in favor of her character unlocking the treasure chest.