For which of the following groups of commands, only one

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

Equation 1: x² - 40x + 300 = 0

Equation 2: y² - 30y + 216 = 0

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

Equation 1: 97x² - 436x + 339 = 0

Equation 2: 103y² - 460y + 357 = 0

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

Equation 1: 4x² - 12x + 9 = 0

Equation 2: 2y² + 10y + 12 = 0

I. 5x² – 18x + 16 = 0

II. 3y² – 35y - 52 = 0

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

Equation 1: x² - 30x + 221 = 0

Equation 2: y² - 28y + 189 = 0

I. 35x² - 24x – 35 = 0

II. 72y² - 145y + 72 = 0

I. y/16 = 4/y 

II. x³ = (2 ÷ 50) × (2500 ÷ 50) × 4² × (192 ÷ 12)

I. 3q² -29q +18 = 0

II. 9p² - 4 = 0

The roots of x² − (k+3)x + (3k − 1) = 0 are real and distinct, and the larger root exceeds the smaller by 5. Find k.

I. 7x + 8y = 36

II. 3x + 4y = 14