Determine the missing side length:

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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?