Answer :
Ok, the answer is B because if the question said that Miguel practice the piano more than 3 1/2 hours a week. That's mean that 3 1/2 is a positive number and "h" needs to be more than 3 1/2 so the equation is
[tex]h \ \textgreater \ 3\frac{1}{2} [/tex] and h has to be positive number
[tex]h \ \textgreater \ 3\frac{1}{2} [/tex] and h has to be positive number