i need part c and d

first P q 1 10 data next 20 30 40 data next data next data next a Give two names for the location Containing 2 b Given the following node containing 25 r 725 how would you insert it between the nocles containing z and 30 in the abve diagram. write cit code to do so write c++ code to delete the node containing 20 d write c++ code to delete the last node in the list