Factor completely.16x2 - 16x + 4
A. (8x - 4)(2x - 1)
B. 4(2x - 1)2
C. 4(2x + 1)(2x - 1)
D. 4(4x2 - 4x + 1)
Answer: B
Mathematics
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
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The legs of a picnic table form a triangle where 
and 
have the same length, as shown in the figure below. If 
variablename="impvar_c8e7f0a89f2a44c787131cecc" />, find the measures of angles x and y so that the top of the table will be parallel to the ground.
?
?
A. 
B. 
C. 
D. 
E. 
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Use your graphing calculator to graph the family of functions for 
together on a single coordinate system. (Make sure your calculator is set to radian mode.)
?
y = A sin x for A = 1, 4, 6
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the limit.
cos-1 x
A. 1 B. ? C. -1 D. 0
Mathematics