I. 2x² - 15x  + 13 = 0

II. 3y² - 6y + 3 = 0

I. 99x² + 161 x + 26 = 0

II. 26 y² + 161 y + 99 = 0

I. 35x² + 83x + 36 = 0

II. 42y² + 53y + 15 = 0

I. 18p²- 21p + 6 = 0      

II. 16q² - 24q +9 = 0

I. √(74x-250 )– x=15

II. √(3y²-37y+18)+ 2y=18

I.70x² - 143x + 72 = 0

II. 80 y² - 142y + 63 = 0

I. 2x² – 19x + 45 = 0

II. y² – 14y + 48 = 0

I. 3x² = 2x² + 9x – 20

II. 3y² = 75

A and B are the roots of equation x² - 13x + k = 0. If A - B = 5, what is the value of k?

I. 3x² + 3x - 60 = 0         

II. 2y² - 7y + 5 = 0