Use common sense to determine whether the given event is impossible; possible, but very unlikely; or possible and likely. a solar eclipse occurs on your birthday.

Solve 2x+y=3 x+y=5 in substitution method

Me d is also an option but i couldn't get it in the picture

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?