To rent a certain meeting room, a college charges a reservation fee of $47 and an additional fee of $7.30 per hour. The film club wants to spend at most $83.50 on renting the meeting room. What are the possible amounts of time for which they could rent the meeting room? Use t for the number of hours the room is rented and solve your inequality for t.

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?