Find the sum of the first 68 terms of the arithmetic sequence with first term 8 and 68th term 283. Round your answer to one decimal place.
?
A. 9,894.0
B. 10,330.5
C. 9,603.0
D. 11,349.0
E. 8,875.5
Answer: A
Mathematics
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Convert the angle to decimal degree notation. Round your answer to two decimal places.80°40'
A. 80.74° B. 80.68° C. 80.69° D. 80.64°
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Write the inequality in interval notation.-4 < x ? 1
A. [-4, 1] B. [-4, 1) C. (-4, 1] D. (-4, 1)
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Solve the problem.The perimeter of a rectangle is 54 cm. The length is 11 cm longer than the width. What are the length and width of the rectangle?
A. Length: 27 cm; width: 16 cm B. Length: 19 cm; width: 8 cm C. Length: 21 cm; width: 10 cm D. Length: 11 cm; width: 8 cm
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Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
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