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College Algebra : 'Together and Alone' Word Problems, Simplifying Complex Expressions (5 Problems)

30. Assume that Joe take 6 hours working alone and Sam takes 8 hours working alone, how long does it take the, to do it together?

54. (1 +3i) (2-5i)

64. i(3-4i) (6+4i)

84. 14 + 5i divided by 3 +2i

94. 5 divided by 9i

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54: ...

Solution Summary

A 'Together and Alone' word problem is solved. Complex expressions (5 Problems) are simplified.

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