Solve the problem.Cindy wants to secure sequins on a piece of felt shaped like a trapezoid with a height of 
and bases of 
and 
What is the cost of all the sequins if sequins cost 
per cm2 of coverage?
A. $29.70
B. $39.60
C. $108.90
D. $90.00
Answer: C
Mathematics
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Graph the polar equation.r = 1 + cos ?
A. 
B. 
C. 
D. 
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Write the expression in terms of sines and/or cosines, and then simplify.(cot ? + tan ?) sec ?
A. cos ? - sin ?
B. 
C. 
D. 
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Round to the indicated place value.Round to the nearest hundredth: 
A. 385.17 B. 385 C. 386.18 D. 385.18
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Use a calculator to estimate the limit.
x4ex
A. ? B. 0 C. 4 D. 1
Mathematics