Help is this correct (this is 12 year old math)
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If a line is defined by the equation y = 5x + 2, what is the slope?

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?

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.