Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Complete the table. Round to the nearest whole percent, when necessary.
A. 18; 65% decrease B. 30; 65% increase C. 30; 70% decrease D. 18; 75% decrease
Mathematics
Find the inverse of the matrix. 
A. 
B. 
C. 
D. No inverse
Mathematics
Find the common difference of the arithmetic sequence.5.7, 8.98, 12.26, 15.54, ...
A. 2.46 B. 9.84 C. 3.28
Mathematics
A bag contains 4 red marbles, 3 green ones, 2 white ones, and 1 purple one. Michelle reaches into the bag and grabs 5 of the marbles. Find the probability that she has 2 red ones and 1 of each of the other colors. ?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics