Label the points, lines, and planes to show AB and line m perpendicular to each other in plane S at point B. plane S intersecting plane R in line p. and AB both perpendicular to line p and intersecting line n at point A.

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.