In Document 1, how is the author portraying federalism? Please use evidence from the cartoon as to whether this has a positive or negative undertone.

The arizona department of transportation wishes to survey state residents to determine what proportion of the population would like to increase statewide highway speed to 75 from 65 mph. at least how many residents do they need to survey if they want to be at least 99% confident that the sample proportion is within 0.09 of the true proportion?

Scenario: the economy of country y has been in an economic downturn for the last several months. recently, businesses have invested in new technologies in order to produce the goods that consumers are demanding within the nation's own borders. the government has removed regulations to allow producers and consumers to have more financial freedom. as a result, consumer spending has increased and the economy has begun to improve. use the drop-down menus to complete the sentences. according to the information presented about country y, the classical economic concept of ( the invisible hand, consumer efficiency, government regulations) can be seen. the economic events of country y demonstrate the idea of laissez faire because the government (did, did not) intervene in economic events.

24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.