Determine whether the given polar coordinates represent the same point.(0, 31°), (0, 158°)
A. Yes
B. No
Answer: A
Mathematics
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Decide whether 
is positive, negative, or zero.
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.2(4x3 + x2 - 1) - 7(4x3 - 4x + 2)
A. -20x3 + x2 + 28x - 16 B. -20x3 + 2x2 + 28x - 16 C. -20x3 + 2x2 - 28x - 16 D. -20x3 + 2x2 + 28x + 16
Mathematics
Use the Distributive Property to remove the parentheses.(x + 2)(x - 7)
A. x2 - 14x - 5 B. x2 - 6x - 14 C. x2 - 5x - 14 D. x2 - 5x - 5
Mathematics
Evaluate.sin-1 
A. 
B. 
C. - 
D. 
Mathematics