Simplify by removing grouping symbols and combining like terms.3a - {3b - 6[a - (b + 4a)]}
A. 21a + 3b
B. 13a - 5b
C. 33a - 9b
D. -15a - 9b
Answer: D
Mathematics
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Verify the identity.sec 
= -csc ?
What will be an ideal response?
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Find the distance between the pair of points.(-1, -2) and (1, -6)
A. 2
B. 2
C. 6
D. 18
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve.log64 4 = w
A. w = 
B. w = 16
C. w = 3
D. w = 64
Mathematics