Add or subtract as indicated.18.373 - 6.643
A. 11.830
B. 11.730
C. 11.630
D. 25.016
Answer: B
Mathematics
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Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. The inverse does not exist.
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Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 12 years if 
and 
A. 17,400 B. 19,816 C. 9908 D. 82,804
Mathematics
Solve the problem. 3xy = z2 x - y + z = 3x2 + y2 - 2z2 = -72
A. {(3, 9, 9), (-3, -9, 9)} B. {(3, 9, 9), (9, 3, 9)} C. {(3, 9, 9), (-9, -3, 9)} D. {(-3, -9, 9), (9, 3, 9)}
Mathematics
Show that the following is true.
?
What will be an ideal response?
Mathematics