Find the indicated matrix.Let A = 
, B = 
, and C = 
. Find C(A - B).
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Add. Simplify the result whenever possible. 
+ 
A. 1
B. 
C. 
D. 
Mathematics
Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.-3x - y - 9z = -21 2x + 9y - 4z = 79 6x - 2y + z = -11
A. Inconsistent B. x = 1, y = 1, z = 9 C. Unlimited: x = 1, y = 9, z = 1, x = 1, y = 1, z = 9 D. x = 1, y = 9, z = 1
Mathematics
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (0, 0); parallel to the line x - 4y = 5
A. y = 
x + 5
B. y = - 
x
C. y = 
x
D. y = - 1
Mathematics
Graph the function.y = 
csc 
A. 
B. 
C. 
D. 
Mathematics