Help, please!!! What is the approximate perimeter of the square?

If jaime wants to find 60% of 320, which table should he use?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)