Mentally estimate the number that should go in the blank to make the statement true.31% of 160 = 
.
A. About 30
B. About 50
C. About 40
D. About 60
Answer: B
Mathematics
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Write a positive or negative fraction to describe the situation.Roger cut the plywood board 
in. too short to fit the opening.
A. - 1
B. - 
C. 
D. 
Mathematics
Add or subtract as indicated.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Factor when possible.128x4 - 250x
A. (8x2 - 10)(16x2 + 25) B. 2x(64x - 5)(x2 + 20x + 25) C. 2x(4x + 5)(16x2 - 20x + 25) D. 2x(4x - 5)(16x2 + 20x + 25)
Mathematics