In the united states, all powers not explicitly outlined in the constitution are held by the constituent states; these are referred to as which of the following selections? select one: a. eminent domain b. enumerated powers c. parliamentary powers d. reserved powers

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

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?

P= price tax is 4% added to the price. which expression shows the total price including tax?