I. x² - 20x + 96 = 0

II. y² - 23y + 22 = 0

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

I. 5x² = 19x – 12

II. 5y² + 11y = 12

I. 63x² + 148x + 77 = 0

II. 21y² + 89y + 88 = 0

I. x² - 5x - 14 = 0

II. y² - 16y + 64 = 0

I. x² + 11x + 30 = 0

II. y² + 17y + 72 = 0

I. 2x² + 12x + 18 = 0

II. 3y² + 13y + 12 = 0

l).  2p² + 12p + 18 = 0 

ll).  3q² + 13q + 12 = 0

Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?

I. 22x² - 97x + 105 = 0

II. 35y² - 61y + 24 = 0