Determine the reference angle for the given angle.? = -183°
A. 177°
B. 3°
C. 87°
D. 93°
Answer: B
Mathematics
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Determine the ratio and write it in lowest terms.21 inches to 9 inches
A. 
B. 
C. 
D. 
Mathematics
Find the cube roots of the following complex number. Write each of the roots in standard form. 27.
a. 
b. 3, - 3
c. 3
d. 
e. 
Mathematics
Perform the indicated operations.( 9x4 + 7x2 - 7x ) - ( -8x3 + 5x2 - 7x - 4)
A. 9x4 - 8x3 + 12x2 - 4 B. 9x4 + 8x3 + 2x2 + 4 C. 10x4 + 9x3 + 12x2 + 4 D. 13x7 + 12x3
Mathematics
Solve the problem.A board of length 
inches was cut into two pieces. If one piece is 
inches, express the length of the other board as a rational expression.
A. 
inches
B. 
inches
C. 
inches
D. 
inches
Mathematics