Idon't know how to do this question,

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

When only separate discreet points are graphed it is called?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual