A community of people smaller than a

I. 3x² = 2x² + 9x – 20

II. 3y² = 75

I. x² – 9x + 18 = 0

II. y² – 5y + 6 = 0

I. 2x² - 9x + 10 = 0

II. 3y² + 11y + 6 = 0

I. x² - 33x + 270 = 0

II. y² - 41y + 414 = 0

I. 27x⁶ - 152x³ + 125 = 0

II. 216y⁶ - 91y³ + 8 = 0

Solve the quadratic equations and determine the relation between x and y:

Equation 1: 6x² - 24x + 18 = 0

Equation 2: 5y² - 20y + 15 = 0

I. (4x-5)³ +  1/(4x-5)³  = 2

II. 2[(y+1/y)²- 2]- 9(y+1/y)= -14

I. 6x² - 41x+13=0

II. 2y² - 19y+42=0

Solve the quadratic equations and determine the relation between x and y:

Equation 1: x² - 54x + 704 = 0

Equation 2: y² - 44y + 448 = 0

I. x² – 13x + 40 = 0

II. 2y² – 15y + 13 = 0