Which has more​ people, County A with an area of 162 mi(squared) and a population density of 81 people/km squared or County B with an area of 81 km (squared) and a population density of 162 people/miles squared?

Write a story that matches with the expression 42x-5 pls hurry

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?