Between 2005 and 2008, the average rate of inflation was about3.4 per year. if a cart of groceries cost $140 in 2005, what did it cost in 2008

Which is a graph of a proportional relationship?

Solve the equation by completing the square. x^2+2x=17

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?