could you please help me with these questions?

b) (3 Point) Assuming free entry and exit, mathematically derive the long run supply curve (assume constant input costs). b c) (3 Point) Suppose that the demand curve is Q = 660 - 20p. Mathematically derive the long run Q* and p*.3.- The market for comic books is composed by 100 identical firms, denoted by the subscript i, which have the following total cost: C(qi) = 297 + 6qi + 18 a) (3 Points) Mathematically derive the short run supply curve