Express the statement as an equation involving the indicated variables.The circumference C of a circle is the product of ? and its diameter d.
A. C = ?d
B. C = 
C. C = 2?d
D. C = ? + d
Answer: A
Mathematics
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Find the area of the surface generated by revolving the curve about the indicated axis. y = 
, 3/2 ? x ? 9/2; x-axis
A. 
?
B. 
?
C. 
?
D. 
?
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Provide an appropriate response.Determine if the expression (-6)-4 is positive or negative.
A. Positive B. Negative
Mathematics
Find an equation for the conic whose graph is shown.
 figure 1.png)
Mathematics
Write the product using exponential notation.2 ? 9 ? 9 ? 8 ? 8 ? 8 ? 8
A. (2 ? 9 ? 8)7 B. 2 ? 9 ? 87 C. 12 ? 29 ? 48 D. 2 ? 92 ? 84
Mathematics