Pointers. If you could do 4,7,8,9 i'll appreciate it

4. Which the following statement(s) is/are legal and which is/are illegal? const double "Pointer; double Weekly-Hours = 40.00 ,Rate-20, Salary, Pointer-&X Salary = Weekly-Hours * Rate; Weekly-Hours = Weekly-Hours + 10; PointerPointer +50; Pointer = & Rate; Rate = Rate * 2; * Pointer * Pointer + 10; Salary Weekly_Hours Rate; 5. How does arithmetic operation work on pointer? 6. What does *static_cast (Generic-Pointer)" mean? 7. Which of the following statement (s) is/are legal and which is/are illegal? int FN = 25 ,SN-30; int * const Pointer = &FN; FN = FN + 50; pointer = pointer + 50; Pointer-& SN Pointer- *Pointer+50; SN=SN*2; 8. What would be the output of the following statements? int X, "XPtr; X = 12; Cout