If (x+y+z)=12, xy+yz+zx=44 and xyz=48, then what is the value of x³+y³+z³=?

If a=34, b=c=33, then the value of a3+b3+c3-3abc is 

Given that 10^0.48 = x, 10^0.70 = y and x² = y², then the value of z is close to

If x+y=10 and xy=4, then what is the value of x⁴+y⁴=?

If x - y = 3, then what is the value of x³ - y³-9xy? 

If a-6b = 3 then the value of a³-216b³-54ab is : 

If x⁴+2x³+ax²+bx+9 is a perfect square where a and b are positive real numbers, then the value of a and b