The percentage (%) of Carbon in the atmosphere, by

I. 27(p + 2) = 2p(24 – p)

II. 2q² – 25q + 78 = 0

I. 3x⁶- 19x³+16=0

II. 9y⁴- 27y²+20=0

I. 4x² - 21x + 20 = 0

II. 8y² - 22y + 15 = 0

I. 3q² -29q +18 = 0

II. 9p² - 4 = 0

I. 81x - 117√x + 40 = 0

II. 81y - 225√y + 136 = 0

I. 2y² – 19y + 35 = 0

II. 4x² – 16x + 15 = 0

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

Equation 1: 31x² - 170x + 216 = 0

(i) x² – 3x – 40 = 0

(ii) y² + 11y + 30 = 0

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

Equation 1: x² - 24x + 143 = 0

Equation 2: y² - 26y + 165 = 0

I. 3x² - 22 x + 40 = 0   

II. 4y² + 22y  + 24 = 0