What is the currency of

If x² + px + q = 0 has roots 4 and -3, find the values of p and q.

189500 – 22650 + 48× ? – 352×18 = 162674

(x – 4)² + (y + 3) ² + (z – 5) ² = 0, then find the value of 2x + 3y – z.

If (a + b) = 9 and ab = 14, find the value of (a² + b²).

If a² + c² + 17 = 2(a - 8b - 2c²), then what is the value of (a³ + b³ + c³)?

If 343x³ - 27y³ = (7x - Ay) X (Bx² + y² + Cxy), then find the value of 3 X (2A + 6B) - 2C.

If   a ² + b ² + c ² = 40 & ab + bc + ca = 12 then  a + b+ c = ?

If 1/(x+ 1/(y+ 1/z)) = 13/30, then find x+y+z= ?

If ( m+n  ) : √ (mn) = 4, m>n  , Then find the value of m : n ?