Answer:
13.
7.5
14.
-234.375
Step-by-step explanation:
[tex]a_{0} =a_{1} -6.5=14-6.5=7.5[/tex]
[tex]a_{0} =\frac{a_{1} }{-0.8} =\frac{187.5}{-0.8} =-234.375[/tex]