A^2 + b^2 + c^2 - ab - bc - ca = 0
a.a + b.b + c.c = a.b + b.c + c.a
equating term by term:-
a = b
b = c
c = a
Therefore a = b = c
I think the best value for x is -9 because 6 x -9 = 54, minus 8 equals -44.
Mr. chang paid the least because 10% off 25 is more than 20%off 30
The answer would be 1/6 assuming a fair trial
Answer:
![\sqrt[6]{z}](https://tex.z-dn.net/?f=%5Csqrt%5B6%5D%7Bz%7D)
Step-by-step explanation:
The denominator of the fractional exponent is the index of the root.