Question: show your work for the question, it's grade 12 data management, use probability involving, counting principles, permutations, and combinations Part B: Communication (12 marks, 2

show your work for the question, it's grade 12 data management, use probability involving, counting principles, permutations, and combinations

Part B: Communication (12 marks, 2 marks each) 7a)Express 2xCy-1 + 2xCy as a single term from Pascal's 10) How many paths are there from A to B if you can Triangle in the form ,Cr only move right and down? A 7b)Express 3x+5CBy-5 as a sum of two terms, each in the form Cr B 8)Write the expression below in the form (a+b ) " 11)Suppose you are expanding (8x2 - 3y) 10. 16x4 - 96x y + 216x y -216xy' + 81y12 a) Find the middle term b) Find the 8th term

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