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Describe the situation of a heath habit

Determine the mass of SO2 that contains 4.625 × 1026 S atoms

A roofer and an assistant can repair a roof together in 9 hours. Working alone, the assistant can complete the repair in 14 hours. If both the roofer and the assistant work together for 6 hours and then the assistant is left alone to finish the job, how much longer should the assistant need to finish the repairs? (Round your answer to one decimal place.)

 A retired woman has  $90,000 to invest but need to invest $6,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. She wants to put in a CD that pays 7%.

What is capital revenue?