Determine whether the sequence is geometric. If so, find the common ratio. –3, –6, –12, –24,...
a. –2
b. 
c. 2
d. not geometric
c. 2
Mathematics
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Convert the numeral to Hindu-Arabic form.
A. 34,213 B. 31,333 C. 34,233 D. 34,460
Mathematics
Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 
D. 
Mathematics
Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Use a calculator to evaluate the expression. Round the answer to three decimal places.(4.48)2
A. -0.050 B. -20.070 C. 20.070 D. 0.050
Mathematics