Is it possible to have an expression that uses brackets without using parentheses? explain.

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

"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?

What is this inequality notation? t is less then or equal to 2