(a b)2 = 1a2 2ab 1b2 (a b)3 = 1a3 3a2b 3ab2 1b3 How are binomial expansions related to Pascal’s triangle?

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours