Answer: A. The value of his investment decreased by 16% during this time period.
Step-by-step explanation:
Here the initial amount = n
Final amount after 1 years = 0.84n
The total change in the initial amount = n - 0.84n = 0.16 n

= 
Thus, the amount is decreases by 16% in one year,
⇒ Option A is correct.
The angles are wer . rek . wek
11.89 divide the pounds by 2000 to get your answer
I'm sure you know the formula for Pythagoras Theorem.
The formula is 
C = Your hypotenuse
A + B = The other two adjacent sides.
So you plug in the numbers

And you'll get the answer, which is 56.
Answer: The two missing numbers are -6.1, and -0.1
Step-by-step explanation: This is because every time, you are adding 2 (to a negative number), and -8.1 + 2 = -6.1 -2.1 + 2 = -0.1