If a + b + c = 0, then the value of (a2/bc + b2/ca + c2/ab) is :

D. 3

If 2x + 3y = 12 and 3x - 2y = 5, then x and y must have the values :

D. 3 AND 2
Posted in:  Linear Equations -  Algebra -  Mathematics

If 5x/125 = 1, the x is equal to :

D. 3

(x29 - x25 + x13 - 1) is divisible by:

B. (X - 1) BUT NOT BY (X + 1)

If 3- 3x-1 = 18, then the value of xx is :

C. 27