Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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The proprietor of Qwik Film Lab recently purchased $12,400 of new film-processing equipment. She expects that this investment, which has a useful life of 4 yr, will yield returns of $4,400 at the end of the first year, $5,200 at the end of the second year, $4,300 at the end of the third year, and $3,100 at the end of the fourth year. Find the internal rate of return on the investment. ? Round your answer to the nearest hundredth, if necessary. ? __________ % per yr
Fill in the blank(s) with the appropriate word(s).
Mathematics
Multiply and simplify.t8 ? t2
A. 
B. 
C. t10
D. t6
Mathematics
Provide an appropriate response.Is -5, -9, -13, -17, . . . an arithmetic sequence?
A. Yes B. No
Mathematics
Multiply.80 ? 5
A. 85 B. 405 C. 400 D. 395
Mathematics