Gwendolyn has already read 130 pages of her 400-page summer reading book. if she reads at an average rate of 45 pages per hour, how long will she need to finish the book? write an equation to find the answer.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

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?

27/9=18/x a. x=9 b. x=18 c. x=6 d.x=3