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Frank Lloyd Wright loved the International Style of architecture.

IBM stock currently sells for 92 dollars per share. Over 3 months the price will either go up by 9.5 percent or down by −6.0 percent. The risk-free rate of interest is 3.5 percent continuously compounded. What is the value of a put option with strike price 89 and maturity of 3 months?

IBM stock currently sells for 84 dollars per share. Over 8 months the price will either go up by 7.5 percent or down by −3.0 percent. The risk-free rate of interest is 4.5 percent continuously compounded. If you are short one call option with strike price 83 and maturity of 8 months, how many shares of stock must you buy to establish a delta-neutral position?

A trader creates a long butterfly spread from options with strike prices $60, $65, and $70 by trading a total of 4 options. The options are worth $11, $14, and $18. What is the lowest possible profit on the position (remember to subtract the cost of the option portfolio)?

IBM stock currently sells for 44 dollars per share. Over 5 months the price will either go up by 13.5 percent or down by -6.5 percent. The risk-free rate of interest is 7.0 percent continuously compounded. What is the delta of a put option with strike price 45 and maturity of 5 months?

Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?

The 2013 IPCC report states that if there is a doubling of preindustrial level of carbon dioxide there will be a “likely temperature increase” in the range of ________.

Solar radiation is reflected back to space from ________.

The two main sources of human-generated aerosols are ________ and ________.

________ is an erosional contact between tilted, older strata below and horizontal, younger strata above.