What factor of credibility is Katie attempting to establish when she sparks her audience's interest by saying, "What's the fascination with pi?….the mysticism and mystery behind this unknown value has caused people to become both fascinated and obsessed?"

i think you really need to revive you answer! : d

it would be d). more resources must be obtained to attain that combination of goods and services

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .

answer; approx,300,000 ;