You buy a new iPhone 12 Pro Max for $1299. The value of the iPhone decreased by 15% annually. write a model for the value of the phone and use the model to see how much it would be worth after 3 years

Me with this one question, and i'll upvote the brainliest answer

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return

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?