The figure shows the percentage of the U.S. population, f(x), made up of teachersas a function of time, x, where x is the number of years after 1900. Use the graph to solve the problem. 
In which year did the percentage of teachers in the U.S. reach a minimum?
A. 2000
B. 1900
C. 1970
D. 1990
Answer: A
Mathematics
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Use conversion factors to convert the units of measure.9,000 pounds to tons Express the answer as a mixed number.
A. 3
T
B. 4
T
C. 9 T
D. 6 T
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Simplify. Leave your answer in exponent form.(2xy)6
A. 64xy B. 12x6y6 C. 64x6y6 D. 12xy
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Write down the first five terms of the sequence.
?
What will be an ideal response?
Mathematics
Multiply.(9x - 1) (x2 - 3x + 1)
A. 9x3 + 28x2 - 12x + 1 B. 9x3 - 28x2 + 12x - 1 C. 9x3 - 27x2 + 9x + 1 D. 9x3 - 26x2 + 6x - 1
Mathematics