To what extent is it preferable to source food locally rather than importing from abroad (1 paragraph for each point)

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

Explain the value of statistics and other data to positive economics and to normative economics

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire