Find the area of the specified region.Shared by the circles r = 6 cos ? and r = 6 sin ?
A. 
(? - 2)
B. 3(2 - 
)
C. 9?
D. 
(4? - 3
)
Answer: A
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Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 760?
A. 6.67 hr B. 12.71 hr C. 2.36 hr D. 8.4 hr
Find the perimeter of the shaded triangle.
A. 32
yd
B. 27
yd
C. 64
yd
D. 26
yd
A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.It costs the company $1.44 to make each dog and $1.67 for each dinosaur. The company wants to minimize its costs. What are the coefficients of the dual objective function?
A. 1.44, 1.67 B. 1, 4, 1 C. 300, 700, 230 D. 1, 2, 1.44
Find the indicated root, or state that the expression is not a real number.-
A. not a real number B. -16 C. -4 D. 4