Solve.A fence was installed surrounding a plot of land which had the following angle measurements. 
Write an expression, in simplified form, for the sum of the measures of the four angles.
A. 171° + c°
B. 532° - c°
C. 262°
D. 262° + c°
Answer: D
Mathematics
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Perform the indicated operations and write the resulting polynomial in descending order of degree.(9.0j3 - 7.6j2 - 3.3j - 2.9) - (-1.8j3 + 6.2j2 - 9.0j - 5.5)
A. 10.8j3 + 13.8j2 + 5.7j + 2.6 B. 7.2j3 + 13.8j2 + 5.7j + 2.6 C. 10.8j3 - 13.8j2 + 5.7j + 2.6 D. 10.8j3 - 13.8j2 - 5.7j + 8.4
Mathematics
Find the distance between the pair of points on the number line.
, 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(6x4 + 9x3 - 3x2 - 4) + 
A. 13x18 + 1 B. 3x4 + 3x3 + 11x2 + 12 C. 9x4 + 16x3 - 12x2 + 1 D. 9x8 + 16x6 - 12x4 + 1
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14
A. {±7}
B. {
}
C. {±
}
D. {±8}
Mathematics