Perform the indicated matrix operations.Let B = 
. Find -4B.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Decide whether or not the given equation is an identity.tan x + cot x = 2 csc 2x
A. Yes B. No
Mathematics
Solve and check.317 = 31.7x
A. x = 307
B. x = 
C. x = 285.3
D. x = 10
Mathematics
Write an equivalent expression. Use an associative law.(8x)y
A. (8y)x B. 8(xy) C. (x8)y D. 8x + 8y
Mathematics
Subtract.
A. 1314 B. 584 C. 484 D. 574
Mathematics