Evaluate the following expression using a unit circle.cos 
A. 1
B. 0
C. -1
D. 
Answer: B
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 4 and x = 5 using an left sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
Find the median for each data set.$69.15, $53.40, $79.70, 
A. $53.40 B. $69.15 C. $66.00 D. $79.70
Divide.
A. 24.6 B. 0.246 C. 246 D. 2.46
Provide an appropriate response.If a negative integer is subtracted from another negative integer, what can you say about the result, given that the two integers are not the same?
A. The result could be either a positive or negative integer, but will not be equal to zero. B. The result could be either a positive or negative integer or zero. C. The result will be a negative integer. D. The result will be a positive integer.