So whats this "age" people refer to when saying someone's underage if its different in every country. Sorry just got mole sted and wanted to ask =)

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What is not true about kl and mn? what is mn? (show your work)

17 in long 1.3 ft wide and 8in high what is the volume