Find the sum.-3 + 1 + 5 + 9 + 13 + ... + (4n - 7)
A. n(2n + 5)
B. n(4n - 7)
C. n(4n + 7)
D. n(2n - 5)
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the equation.
+ 8 = 0
A. {248}
B. ?
C. 
D. 
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Answer the question.Pam drives to work at 64 miles per hour before the morning rush hour, but returns home during the evening rush hour at only 40 miles per hour. Explain why 52 is not a valid solution to the problem "What was her average speed for the day's driving?"
What will be an ideal response?
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Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cot ? = 
, ? < ? < 
Find tan 2?.
A. - 
B. 
C. - 
D. 
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