When white light shines on a thin film of soap, light is reflected from the back surface of the film only. both the front and back surfaces of the film. the front surface of the film only. This results in interference between the reflected light rays. refraction of the reflected light rays. a Doppler shift in the frequency of the reflected light. Colors are seen in the soap film because certain wavelengths of the reflected light are refracted at different angles. are canceled due to destructive interference. are absorbed by pigments in the soap.

Last week paul, ceo of quality furniture in south carolina, traveled to europe to visit customers. while overseas, paul checked his e-mail daily and showed his company's website to customers, explaining how the website will them place orders and receive merchandise more quickly. after visiting the last customer friday morning, paul was able to return to the corporate office in south carolina to meet with his board of directors that night. is the "shrinking" of time and space with air travel and electronic media.

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan

An airline estimates that 98% of people booked on their flights actually show up. if the airline books 61 people on a flight for which the maximum number is 59 (the capacity of the plane), what is the probability that the number of people who show up will exceed the capacity of the plane?