Which one among the following statements regarding

Solve for x in the equation: 3(x + 2) + 2(2x - 5) = 5x + 9

If x = 19, then the value of x⁵ - 20x⁴ + 20x³ - 20x² + 20x - 1 is

Given a triangle with two sides measuring 12 cm and 16 cm, which of the following cannot be a possible length for the third side?

If a = 32, b = c = 31, then find the value of a ³  + b ³  + c ³  – 3abc.

If x³ + y³ = 9 and x + y=3 then the value of x⁴ + y⁴ is:

105, 111, 123, 141, ?, 195

Let {x + (1/x)} = 4, then Determine the value of {x² + (1/x²)}