John has a set of cards laid on a table in this order:
a, b, c, d, e, f

his friend shuffles the order of the cards randomly, which results in this order:
d, f, b, c, a, e

if john is allowed to swap only 2 adjacent cards at a time, what is the smallest number of swaps to reach the original order of cards?

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?