Combine the complex numbers.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Find the perimeter (P) of each figure.
A. 24 m B. 33 m C. 26 m D. 25 m
Mathematics
Solve the problem.A tunnel is to be constructed, 150 ft long and 60 ft wide at the base. The cross section is shaped like the curve 
What is the surface area of the tunnel, neglecting the roadway? Give your answer to the nearest square foot.
A. 13,173 B. 13,974 C. 11,873 D. 10,944
Mathematics
Graph the system of inequalities.x ? 0y ? 0x2 + y2 ? 9y + x ? -5
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = cos ?Find [g(?)]2.
A. - 
B. 
C. 2
D. 
Mathematics