"Hard money" refers to

Which did the treaty of paris recognize? a. french control of canada b. american independence from great britain c. the american right to imprison british loyalists d. spanish control of the mississippi river

Complete the square for 3x2 - 12x = 9.

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.