X+5 is either x, y,f(y)
.
Y+5 is either
x, y,f(x)
.
Y is either
x-5,x+5,y-5
.
X-5 is either
x, g(x),g(y)

Which pair of angles are vertical angles? ∠1 and ∠4∠1 and ∠2∠2 and ∠4∠2 and ∠3more than one answer.

Find the value of the variable and the length of each secant segment.

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