The width of a rectangle is 4x−9.5 feet and the length is 9.5x+10 feet. Find the perimeter of the rectangle.

How do private property rights serve as an incentive in a free enterprise economy ?

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

Which of these is an edge city? boston, ma chicago, il irvine, ca detroit, mi