Calculate how much change will be returned.How much change will you get back from a $20 bill if you pay for an item that is $18.75?
A. $2.25
B. $4.25
C. $19.25
D. $1.25
Answer: D
Mathematics
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Find the limit  figures 4.png)
. Hint: If x = rcos? and y = rsin?, then (x,y) --> (0, 0) if and only if r --> figure.png)
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Mathematics
Provide an appropriate response.Perform the indicated operation. Express as a power of 10: 
3
A. 0.000001 B. 101 C. 10 D. 10-6
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Multiply.29 ? (-1)
A. -28 B. 29 C. 28 D. -29
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
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