Solve the equation for exact solutions.cot-1x + cot-1(1 + x) = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $324.91Sales Tax Rate: 5.25%
A. $305.80 B. $311.66 C. $213.06 D. $308.70
Mathematics
Approximate the surface area of the figure using 3.14 for ?. If necessary, round your answer to the nearest tenth.
A. 479.6 ft2 B. 1653.2 ft2 C. 2449.2 ft2 D. 959.3 ft2
Mathematics
Add or subtract.(7 + 7i) - (-2 + i)
A. 9 + 6i B. -9 - 6i C. 9 - 6i D. 5 + 8i
Mathematics
Simplify the expression.
?
What will be an ideal response?
Mathematics