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What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0