All references are to the figure below. The distance between A and P is x, and the distance between A and C is y. 
Assuming that y = 87 and r = 40. find A and x.
A. A ? 20°, x ? 50
B. A ? 20°, x ? 60
C. A ? 25°, x ? 56
D. A ? 25°, x ? 55
Answer: C
Mathematics
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What will be an ideal response?
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Provide an appropriate response.When we use Simpson's rule to approximate a definite integral, it is necessary that the number of partitions be ? .
A. a multiple of 4 B. an odd number C. an even number D. either an even or odd number
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Add or subtract. Assume that variables represent nonnegative values.8
+ 7
A. 165
B. 15
C. 56
D. 15
Mathematics