Plz i need to answer these by today

Ineed if you could explain and give me the answer you! this needs done

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Find the value of x. give reasons to justify your solutions! c ∈ ae