The longest wall in a triangular room is 12.0 ft long. The distance from this wall to where the other two walls meet is 9.00 ft. What is the area of the room?

What are igneous intrusions and extrusions

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

The heliocentric and the geocentric models of the solar system included these central principles