Evaluate the determinant.
A. 70
B. -74
C. 72
D. 0
Answer: D
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Evaluate the spherical coordinate integral.
A. 
?
B. 3?
C. 
?
D. 
?
One period of the given function is defined below. Determine whether the function is even, odd, or neither.
A. Even B. Neither C. Odd
Which of the following is most typical of a value-creating activity associated with the differentiation strategy compared with the cost leadership strategy?
A. frequent evaluation processes to monitor suppliers' performance B. intense and effective training programs to improve worker efficiency and effectiveness C. easy-to-use manufacturing technologies. D. extensive personal relationships with buyers and suppliers
Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 4 feet long at each end, the center support is 278 feet long, and the supports increase in length by 2 feet with each support (from 4 feet to 278 feet), what is the total length of all the supports?
A. 38,640 feet B. 38,636 feet C. 38,634 feet D. 38,638 feet