For the complex numbers z =30(cos(2pi/3)+isin(2pi/3) and w=6(cos(pi/8)+isin(pi/8) which geometric transformation of z on the dimples plane describes z/w

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

The reflexive property of congruence lets you say that ∠pqr ≅