Find the value of x in each figure

"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?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?