Add or subtract. Express the answer as a mixed number.
A. 21
B. 20
C. 12
D. 19
Answer: B
Mathematics
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Use the appropriate geometric formula from the following list to find the requested measure. 
The area of a rectangle with a length of 102 inches and a width of 17 inches
A. 1734 sq in. B. 119 sq in. C. 1724 sq in. D. 1445 sq in.
Mathematics
Find the values of the variables.
= 
A. x = 8, y = 2, m = -8 B. x = -8, y = -2, m = 8 C. x = -8, y = 2, m = 8 D. x = 2, y = 8, m = -8
Mathematics
Graph the plane curve given by the parametric equations. x = 2 cos t, y = -2 sin t; 
? t ? 
A. 
B. 
C. 
D. 
Mathematics
Write the given expression as the cosine of an angle.
?
A. 
B. 
C. 
D. 
E. 
Mathematics