Find the distance between the point (-6, 7) and the point (-1, -5).

If a + b: b+c : c+a= 6:7:8 and a + b+c= 14, , then the value of c is : 

If ax - 4y = -6 has a slope of -3 / 2. What is the value of a? 

If $$ secθ+tanθ=2+\sqrt{5}$$, then the value of $$ sinθ+cosθ$$ is:

A sum of money becomes eight times in 3 years, if the rate is compounded annually. In how much time will the amount at the same compound rate become sixteen times? 

Find the exact value of the following question:

$$ (13+2\sqrt{5})^2=?\sqrt{5}+189 $$

Study the following bar chart and answer the questions carefully.

Which of the companies shows the maximum percentage difference in sales turnover between the two years ?

If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is: