Find the common ratio for the geometric sequence.3, - 1, 
, - 
, 
, . . .
A. r = - 
B. r = - 
C. r = 3
D. r = 
Answer: B
Mathematics
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Make the following conversion in the metric system.489 centimeters to meters
A. 4890 m B. 4.89 m C. 48,900 m D. 48.9 m
Mathematics
Perform the indicated operations and write the result in standard form.4
+ 5
A. -28i
B. -28
C. 28
D. 28i
Mathematics
Factor out the greatest common factor.17m2 - 10r3
A. 2(8m2 + 5r3) B. m2(17 - 10m) C. No common factor (except 1) D. 3(5m2 - 3r3)
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Mathematics