please answr the questions by picking the best answer chois for each

\fQ6 Convert to Polar: y/x = 4 Or=2 O r=16 O T=76 O UndefinedO7 Convert to rectangular: 1=4seco O y=2 y=4 O X=2 O X=4Q8 Convert to Polar: 2xy = 3 A)r= 3sinocost B) r= 3sindcost 2 C)r=. 3 2sindcost D) This cannot be converted without ambiguity.