There is a box that contains 20 identical balls. two players take turns removing balls from the box. in each turn, a player can choose to remove 2 or 3 balls. the player who is forced to remove the last ball loses. can you use backwards induction to find a winning strategy for one of the players?

Writing prompt: read the article, “ending school segregation in the us.” why is the event described in the article taught in schools today? what are the lasting lessons that we can learn from studying this event? support your response with textual evidence. 1. read the article. 2. consider the answers to the questions. 3. use the race graphic organizer to organize your thoughts. 4. construct a paragraph using the race writing including textual evidence (see textual evidence notes for assistance with how to include this information) from the article and answers to the question. 5. check for capitalization, punctuation, and grammar.

In which way did ancient rome influence and unify medieval europe? (1 point) medieval guilds were inspired by roman ones. latin endured as the language of everyday life. roman slavery was a model for feudalism. rome continued as the center of the church.

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.