Use the formula for the sum of the first n positive integers to answer the question. 
If you had 91 bowling pins lined up in a triangular shape with one in the first row, two in the second row, etc. (instead of the typical ten pins), how many pins would be in the last row?
A. 13
B. 182
C. 91
D. 14
Answer: A
Mathematics
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Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 
B. 0
C. ?
D. 
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Use Identities to find the exact value.cos (-75°)
A. -
- 
B. 
C. 
- 
D. 
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Provide an appropriate response.The region indicated in the diagram
is described by
A. 
B. 
C. 
D. 
E. 
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Add.+ 
A. 368.55 B. 369.45 C. 369.55 D. 368.45
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