Calculate the square root of: [(0.081 / 0.0064) × (0.484 / 6.25) × (2.5 / 12.1)]

Evaluate the square root expression: √(9 + 4√5) =

√(2.25) + √(0.0064) + √(2.89) + 1 is equal to:

If the product of the roots of the equation 3kx^2 - 25kx + k + 8 = 0 is 3, then k is

Find the sum: 1/9 + 1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56 + 1/72.

Calculate: √(29.8116) + √(77.44) =