There are five members T, U, V, W, and Y in the family. V is married to Y. T’s mother is daughter of U. W and T are male members. Y is brother of W. How is U related to Y?

I. (2x-3)³+  1/((2x-3)³)=2 

II.   4y²+(y+8)^2= 157

I. √(17x) + √51 = 0   

II. √(4y) + 3 = 0

I. 2y²- 37y + 143 = 0

II. 2x²+ 15x – 143 = 0

I. 8x² - 74x + 165 = 0

II. 15y² - 38y + 24 = 0

I. 10x² + 33x + 9 = 0

II. 2y² + 13y + 21 = 0

I. 4 x ² - 4 x + 1 = 0

II. 4 y ² + 4 y + 1 = 0

I. 8x² + 2x – 3 = 0

II. 6y² + 11y + 4 = 0

I. x² - 33x + 270 = 0

II. y² - 41y + 414 = 0

I. 144x² - 163x - 65 = 0

II. 91y² - 128y -48 = 0

 If 4x = 40, 3y = 33, what is the value of 6x + 4y?