write the equation for the graph. make sure to include + or - signs to indicate if your number is positive or negative

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?

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?