a)
[tex]( - \frac{1}{17} ) \times (0.(6) + \frac{3}{4} ) - \frac{34}{15} + \frac{1}{3} [/tex]
[tex]( - \frac{1}{17}) \times (\frac{6}{9} + \frac{3}{4} ) - \frac{34}{15} + \frac{1}{3} [/tex]
[tex]( - \frac{1}{17} ) \times \frac{17}{12} - \frac{34}{15} + \frac{1}{3} [/tex]
[tex] - \frac{1}{17} \times \frac{17}{12} - \frac{34}{15} + \frac{1}{3} [/tex]
[tex] - \frac{1}{12} - \frac{34}{15} + \frac{1}{3} [/tex]
[tex] - \frac{121}{60} [/tex]