Hi I need help on what is the answer to this problems? Below is the question and other concerns will be in the comment section. I hope you can help me and surely I will give you full positive feedback.

1a) Find the number of j ways " persons can arrange themselves around a table where two of them sit besides each other. " Your DrdWHY 1b) Find the number of | ways 9 persons can arrange themselves around a table (no restriction). * Your answer 1c) Find the number of | ways $ persons can arrange themselves In a row of chairs. " Your ariswer 7a) Find the number k of permutation that can be formed using all the letters from the word "PHILIPPINES". * Your answer 34) How many distinct signals of $ flags can you make using 4 purple flags. 3 green flags and 2 maroon flags? * Your answer 4a) Suppose repetitions are not permitted. Find the number of three-digit numbers that can be formed using the numbers 1, 2. 4, 5, 7, and 0. " Your Drawer 4b) How many are greater than 350? * Your answer de) how many are odd? " Your arewer