multiple choice , I need it within 15 mins!!!!!!!!!!!!

What are the first 4 entries of row 45 in the pascal triangle? O45C1, 45C2, 45C3, 4504 049(750, 49051,.49C52, 49C53 0490.15, 49046. 49C47, 49C43 45C0, 4501, 45C2, 4503 Express 51012 as a sum of two terms from Pascal's triangle, each in the form nCr. 050C310 + 50C11 051C310 + 51C11 052C11 + 52C12 Express this term/2x, y+5 from pascal's triangle as a sum of two terms. O t2x, y+5 + (2x, y+4 Otax, y+5 + 2x-1, y+5 O t2x-1, y+5 + (2x-1, y+4 O tax, y+5 + (2x-1, y+4The first 4 terms in a row of Pascal's Triangle are 1, a+1, b+2, and c+/. The first 3 terms in the next row are: O 1, ab, ac O1, a + b, b +c O 1, a + 2, a + b+3 1 +a, a + b, b + cIn what row of Pascal's triangle are the sum of the entries 167'77216? The sum of the entries in row 2n+1 of Pascal's Triangle is: O 2n+1 What are the last 5 entries in row 70 of Pascal's Triangle? O 70 C45, 70 C46, 70 C47, 70 C48, 70 C49 O 70 C45, 71 C46, 72 C47, 73 C48, 74 C49 ONone of the responses are correct. 70 C66, 70 C67, 70 C68, 70 C69, 70 C70What is 2x C 14 + 2x C 15expressed as a single term in the form nCr in Pascal's Triangle? O 2x+1 C14 O2x+1 C 13 O 2x C 29 O 2x+ 1 C 15\f