Why do economists describe the us economy as a mixed-market economy?

The social contact theory states that

Catherine sat down will all of her income details from the past year to calculate the total income she had in that period. after she created a consolidated income statement, she deducted some tax-exempt income details from the statement. what term would catherine use for this final income calculation?

Which struggle to place between colonist and soldiers in boston on march 5, 1770