i have three questions and i want the answer as soon possible. i like 3hours actually. they are not difficult question. 1 and 2 are below and attached in number 3 please do just number 3a
1. How many ways are there to arrange ten district books on two shelves if each shelf must have at least one bookk?
2. You are given two identical standard 52 deck. how many distinct ways are there to arrange all 104 cards in a row?