Solve the problem.A computer company invested a total of $400 million in research and development in its scanners and video digitizers. If the amount the company spent on research and development on scanners was $146 million more than was spent on research and development on its video digitizers, how much in fact did the company spend on research and development on its scanners?
A. $200 million
B. $273 million
C. $127 million
D. $400 million
Answer: B
Mathematics
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A. 
B. - 
C. 
D. 
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A. x3 + 9x2 + 3x + 27 B. x3 + 9x2 + 27x + 27 C. x3 + 9x2 + 9x + 27 D. x3 + 3x2 + 3x + 27
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Find the sum of the indicated terms of the geometric sequence.
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?
A. 
B. ?
C. ?
D. ?
E. ?
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Solve the problem.An arrow is fired into the air with an initial velocity of 160 feet per second. The height in feet of the arrow t seconds after it was shot into the air is given by the function 
Find the maximum height of the arrow.
A. 80 ft B. 720 ft C. 1200 ft D. 400 ft
Mathematics