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express each of the following expressions in the form nPr or in the form nCr a. 27x26x25x24/4x3x2x1 b. 30x29x28x27x26 
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Use the formula nCr to solve Of the 100 people in the U.S. senate, 18 served on the Foreign relations Committee. How many ways are there to select Senate members for this committee (assuming party affiliation is not a factor in the … 
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Use the formula nCr to solve Of the 100 people in the U.S. senate, 18 served on the Foreign relations Committee. How many ways are there to select Senate members for this committee (assuming party affiliation is not a factor in the … 
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i have my final tomorrow and this question was on my review? 
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prove:1) nCr=nCrr 2) nCr+nCr+1=n+1Crr+1 
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Are these using nCr? If not what formula do I use? 
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Evaluate the Expression This is combination nCr (9 6 3 ) (6 4 1 ) n! r!(nr)! I have try everything and came up 1296 and that was wrong. Could someone please help when you have time. Thank You 
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nPr=6720 and nCr=56, then the value if r is___? 
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if nCr+2*nCr=nCr4+1*nCr1 
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Binomial Theorem using Pascal’s Triangle or nCr to find the coefficient then find the 27th term of (3x+4y)55. Don’t forget to clean up the algebra.