Given: p || r, 21 and 23 are supplementary
Prove: q || r

binomial distribution

median= 2

range = 7-0 = 7

how to find median?

no. of term=28

median=(28+1)/2=14.5th term

the 14th and 15th term are 2, therefore the median is (2+2)/2 = 2

one that is bigger than 3 1/2

5+2x=a

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