What categories does the the following number belong in? -17 A. natural, whole, integer, rational, and real
B. irrational and real
C. integer, rational, and real
D. irrational and integer

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?