Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve for the variable.-7x = 63
A. -70 B. 70 C. -9 D. 1
Mathematics
Solve the problem.Just Hardware has a profit of $211,596. This profit is to be divided evenly between 33 employee owners. Find the profit received by each owner.
A. $18,757 B. $11,411 C. $6412 D. $6,982,668
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Scores on an aptitude test: 576, 561, 346, 356, 547, 341, 358, 553, 470, 482
A. 468.4 B. 459 C. 476 D. 450
Mathematics
Find z1z2. Express the answer in standard form.z1 = 8(cos 300° + i sin 300°)z2 = 6
A. -12 + 12i
B. 12
+ 12i
C. -48i
D. 24
Mathematics