Complete the identity.tan 
- cot 
= ?
A. 2 cot ?
B. -2 cot ?
C. -2 csc ?
D. 2 csc ?
Answer: B
Mathematics
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Determine which of the fundamental laws of algebra is demonstrated.(5 × 9) × 2 = 5 × (9 × 2)
A. Associative B. Distributive C. Commutative
Mathematics
Integrate the function.
e3x dx
A. 
5 + C
B. 
5 + C
C. 
5 + C
D. 
5 + C
Mathematics
Find the perimeter of the figure named and shown. Express the perimeter in the same unit of measure that appears on the given side or sides.
A. 13 yd B. 2 yd C. 26 yd D. 24 yd
Mathematics
Solve for the specified variable. Assume that all other variables are nonzero.4(a2 - b) + 7 = 3F; for a
A. a = ± 
+ b
B. a = ± 
C. a = ± 
D. a = ± 
Mathematics