Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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A. 65 B. 56 C. 74 D. 47
Mathematics
Find the standard form of the equation of the ellipse with the given characteristics.
Mathematics
Solve.x + y + z = 6x - z = -2 y + 3z = 11
A. (-1, 2, -3) B. (0, 4, 2) C. (3, -2, 5) D. (1, 2, 3)
Mathematics
Solve the problem.y varies jointly as x and z. y = 2.4 when x = 30 and z = 8. Find y when x = 40 and z = 8.
A. 6.4 B. 3.2 C. 32 D. 320
Mathematics