Solve.George bought a book for $18.60. If he paid with two $10 bills, what was his change?
A. $1.40
B. $1.30
C. $2.40
D. $2.00
Answer: A
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region between the curve y = 
and the x-axis from 
to 
A. 
= 
, 
= 
ln 25
B. 
= 
, 
= 
ln 25
C. 
= 
ln 25, 
= 
D. 
= 
, 
= 25 ln 25
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If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.I, 
A. Negative B. Positive
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Use the laws of logarithms to expand the expression.  FIGURE 1.png)
What will be an ideal response?
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = x3 + 1 
A. 
B. 
C. 
D. 
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