Use Gauss-Jordan row reduction to solve the given system of equations.
?
?
A. 
, z, u, v arbitrary
B. ?
, z, u, v arbitrary
C. 
, z, u, v arbitrary
D. 
, z, u, v arbitrary
E. 
, z, u, v arbitrary
Answer: C
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?There are three Math 094 classes at Munster State College. Section 1 has 30 students, Section 2 has 24 students, and Section 3 has 105 students. Which of the following is possible?
A. ?All sections are broken up into groups of 4. B. ?All sections are broken up into groups of 3. C. ?All sections are broken up into groups of 5. D. ?The first two sections are broken up into groups of 12. E. ?The last two sections are broken up into groups of 2.
Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant I
Find cos 2?.
A. - 
B. 
C. 
D. 
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Simplify the expression.-9 + (-30) - 11 + 1
A. -51 B. -31 C. -49 D. 11