a) What is the sum of all the entries of row 12 of Pascal's triangle? b) What is the sum of all the entries of row n of Pascal's triangle?

Which of the following is equal to C(200, 50) O C(150, 50) O C(200,100) O C(200, 150) O C(150,100) In Pascal's triangle, which row has a sum of 65 536?

1a) Write 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 in the form „P. 1b) Express 21C, as a sum of two terms from Pascal's Triangle. 1c) How many arrangements are there of the letters in the word ASSOoCIATION? 1d)A club has 25 members. How many ways are there to select a President, Vice-President and Secretary? Assume no one can occupy more than one position. 1e)Which row of Pascal's triangle has a sum of 8,388,608?

I need help with this math problem