Originally Posted by
Crystal09 P_is_the_point_(4,2),Q_is_the_point_(12,5)_and_R_i s_the_point(1,3).Calculate:
1.The_lenght_of_PR
2.The_gradient_of_PQ.
3.The_equation_of_the_line_passing_through_R_and_p arallel_to_PQ.
Sorry_but_the_spacebar_isn't_working.
please_help!