Least to greatest, the triples are (2x, x²-1, x²+1). Thus the value in the first column of the table is half the value of the first of the triples. Your completed table will be

Answer:
The answer is:

Step-by-step explanation:
Given:
In △ABC:
m∠A=15°
a=10 and
b=11
To find:
c = ?
Solution:
We can use cosine rule here to find the value of third side c.
Formula for cosine rule:

Where
a is the side opposite to 
b is the side opposite to 
c is the side opposite to 
Putting all the values.

The answer is:

So to find the avrage u r going to add all the numbers then divide by the nuber of nubers u have there that will give u ur answer
Answer:
£288150
Step-by-step explanation:
We'll use the formula
PRT/100= interest
But in this case we are looking for principal P
Rate= 2%
Interest= £5763
T=1
P= (I*100)/(RT)
P= (5763*100)/(2*1)
P= 288150
The principal is £288150