I'm leaving don't want points to go to waste someone might need them

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4