Factor the trinomial, if possible.64m2 - 160mn + 100n2
A. (16m + 5n)2
B. 4(4m - 5n)2
C. (16m - 20n)2
D. 4(4m + 5n)2
Answer: B
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Use identities to simplify the expression.tan2 x csc2 x
A. tan2 x B. cos3 x C. sin x D. sec2 x
Solve the problem.In the circle with center O below, if 
measures 50 inches, and the length of 
is 34 inch(es) less than the length of 
, what are the lengths of 
and 
?
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A. 
measures 47 inches; 
measures 13 inches
B. 
measures 50 inches; 
measures 16 inches
C. 
measures 48 inches; 
measures 14 inches
D. 
measures 53 inches; 
measures 19 inches
Use Venn diagrams to determine whether the following statements are equal for all sets A and B.(A ? B)', (A' ? B')'
A. not equal B. equal
Graph the function.y = 1 + 2 cos x
A. 
B. 
C. 
D. 