Can someone help me please

"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?

The solution set for 5v2 – 125 = 0 is

Which is the focus of a parabola with equation y2=4x