Equation of the parabola in vertex form vertex is ( 1 3 ) point (2 -3 )

What is the product of the radical expression. (7-2square root) (8+2 square root)

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

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.