An Algebra teacher decides to remind his students of the obvious. So he purchases a black rectangular poster that states the obvious. The poster is 20 inches long and 10 inches wide. To make it really stand out he decides to put it in a bright red frame. The width of the frame is w inches all the way aroundThe length of just the poster is inches The width of just the poster is inches An expression in standard form for the length of the poster AND frame is inches An expression in standard form for the width of the poster AND frame is inches An expression in standard form for the PERIMETER of the poster AND frame is inches An expression in standard form for the AREA of the poster AND frame is inches squared.