Write the following proportions.4 inches is to 9 inches as 20 inches is to 45 inches
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
Mathematics
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Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
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The graph of a polar equation is given. Select the polar equation for the graph.
A. r sin ? = -2 B. r = -2 C. r = -4 cos ? D. r = -4 sin ?
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Solve the equation and check your solution.
+ 3 = 
A. x = 
B. x = 
C. x = - 
D. x = - 
Mathematics
Write the percent as a fraction or mixed number in lowest terms.67.5%
A. 
B. 
C. 
D. 
Mathematics