Which set of absolute values is compared correctly?

|-10| < |-5| < |17| < |5|

|-5| > |-10| > |-12| > |17|

|10| > |-15| > |-5| > |2|

|-10| < |12| < |-15| < |17

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?