Determine which of the fundamental laws of algebra is demonstrated.(-6 + 2) - 1 = -6 + (2 - 1)
A. Commutative
B. Distributive
C. Associative
Answer: C
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Find the values of x for which the geometric series converges.
A. -8 < x < -7 B. -9 < x < -8 C. -9 < x < -7 D. -8 < x < 8
Provide an appropriate response.In tossing two coins, what is the probability of both being heads?
Fill in the blank(s) with the appropriate word(s).
Simplify the exponential expression.
3
A. 
B. 
C. 
D. 
Any sound from one focus of an ellipse reflects off the ellipse directly back to the other focus. This property explains whispering galleries such as Statuary Hall in Washington, D.C. The whispering gallery shown in illustration has the shape of a semi-ellipse. Find the distance sound travels as it leaves focus F and returns to focus F'.
?
?
A. 31 meters B. 32 meters C. 63.2 meters D. 33.5 meters E. 31.6 meters