If h(x) = 5 + x and k(x) = 1/x, which expression is equivalent to (k•n)(x)? (5+ x)
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1
(5+ x)

5+ (1/x)

5 + (5 + x)

Question and answers are in the attached picture. you so much in advance.

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.