Prove the identity.
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What will be an ideal response?
Answers may vary. One possible solution is:
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Restate in a logically equivalent form.The flowers are not blooming or it is not winter.
A. It is not true that the flowers are blooming and it is winter. B. It is not true that both the flowers are blooming and it is winter. C. The flowers are blooming and it is winter. D. It is not true that it is winter and the flowers are not blooming.
Provide an appropriate response.An adjustable rate mortgage means:
A. payments will be larger than on a fixed rate mortgage B. the interest rate cannot change C. the interest rate is fixed for the first five years D. the interest rate can change
Solve the problem.A painter leans a ladder against one wall of a house. The ladder is 27 ft long. The base of the ladder is 20 ft from the house. How high is the wall? Round approximations to the nearest tenth. 
20 ft
A. 23.5 ft B. 164.5 ft C. 9.1 ft D. 18.1 ft
Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x ? 0 and y ? 0 such that 5x + 10y ? 10110x + 15y ? 139and 2x + 5y is maximized. 
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