The initial tableau of a linear programming problem is given. Use the simplex method to solve the problem. 
A. Maximum at 12 for x1 = 1, s1 = 3, s2 = 1
B. Maximum at 48 for x1 = 3, s1 = 1, s3 = 1
C. Maximum at 24 for x1 = 1, s1 = 1, s2 = 3
D. Maximum at 4 for x1 = 4, s2 = 1
Answer: A
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Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.tan 
A. -tan 
B. 1 - tan 
C. cot 
D. tan 
Solve the problem.Find the side length of a square with the same perimeter as a circle with radius 8 in. Use 3.14 for 
A. 6.28 in. B. 7.09 in. C. 12.56 in. D. 25.12 in.
Use the distributive property to multiply the given expressions.(m + 9 - 6n)3
A. 3m + 27 - 18n B. m + 27 - 18n C. 3m + 12 - 9n D. 3m + 27 - 6n
The designers of a water park are creating a new slide and have sketched some preliminary
drawings. The length of the ladder is a = 24 feet, and its angle of elevation is 60º (see figure).
?
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Find the height of the slide. Round your answer to two decimal places.
?
A. About 21.78 ft B. About 22.78 ft C. About 23.78 ft D. About 20.78 ft E. About 24.78 ft