In 2015, the median family income in the united states was $66,650. if the 90th percentile for the 2015 median four-person family income was $178,500 find the percentage of families whose 2015 income was

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.