How is it possible to account for the prosperity that Benjamin of Tudela found in Constantinople?

Who wants brainliest and free answer this question correctly and i got you. if you're found to be at fault in you'll be required to attend a traffic collision avoidance course. a. one crash in the first year after getting your license b. a collision involving a police officer c. two crashes in two years d. three crashes in three years

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above