Perform the matrix row operation (or operations) and write the new matrix.
-3R1 + R2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the equation.4(5 - 3x) = 
A. x = -3
B. x = 3
C. x = 
D. x = 128
Mathematics
Express the given trigonometric function in terms of the indicated function.tan ? in terms of cos ?
A. 
B. 
C. 
D. 
Mathematics
Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.sec ? = 
Find csc ?.
A. 
B. 
C. 
D. 
Mathematics
Use the given matrices to compute the given expression.Let C = 
and D = 
. Find C - 4D.
A. 
B. 
C. 
D. 
Mathematics