Hotah and his 3 friends are each running 1/4 of a 2-mile relay race. How far is each person running?

Which linear inequality is represented by the graph?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

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?