How many ways can a student select 5 questions from an exam containing 9 questions if he
must answer the first and the last?
2 answers
There are 6 ways for a student to select 5 questions from an exam containing 9 questions if he must answer the first and the last.
AAAaannndd the bot gets it wrong yet again!
7C3 = ____
7C3 = ____