Solve x2 + 6x = 7 by completing the square. Which is the solution set of the equation?
O {-7, 13
O 1-3 - V10, – 3 + V10)
O 13 - 10, 3 + V10)
O {1,7)

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.