Determine the distance on the earth's surface between two town P (latoN, Long 20oN) and Q(Lat 60oN, Long 25oW) (Radius of the earth = 6400km)

The angle between latitudes 30oS and 13oN is

If x = 3 - √3 3 , find x2 + 36x2

If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are

What is the value of x satisfying the equation \( \frac{4^{2x}}{4^{3x}} = 2 \)?

Evaluate logban if b = an

Simplify \(\frac{(1.25 \times 10^{-4}) \times (2.0 \times 10^{-1})}{(6.25 \times 10^{5})}\)

Simplify \(5\sqrt{18} - 3\sqrt{72} + 4\sqrt{50}\)

Find n if 34n = 100112