I believe the answer is: <span>Change very little from day to day
The stability of the test scores is most likely influenced by the reliability of testing method that imposed to the subjects.
Due to this reliability, the data that extracted from the subjects is much more accurate and often lead to same conclusion from day to day.</span><span />
Answer: 39
Explanation: considering the fact that the sum of his age next year will be a third of the sum this year, the only way for this to be possible is if the second digit next year is zero (0) which means this year, the second digit is 9.
Going through the variables, only 3 and 9 fulfils all parameters. The sum of 3 and 9 equals 12 which is 3times the sum of age next year, 40 which is 4 and 0.
12÷4 = 3
He is 39 this year.
It would be phyical aggression.
The answer is A.<span>opposing leaders in the Crusades who reached a settlement about control of the Holy Land</span>