Solve. Write the answer as a mixed number as needed.A statistician has readings that take 
minute each to read and record. How many readings can be completed in 30 minutes?
A. 12 readings
B. 20 readings
C. 10 readings
D. 45 readings
Answer: D
Mathematics
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Factor the trinomial completely.x5 + 2x4 - 48x3
A. (x4 + 8x3)(x - 6) B. (x2 - 8)(x3 + 6) C. x3(x + 8)(x - 6) D. x3(x - 8)(x + 6)
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Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. 
C. 
D. 
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Find the product.(3x - 6y)(5x + 9y + 1)
A. 15x2 - 3xy - 3y2 B. 15x2 + 27xy + 3x - 54y2 C. 15x2 - 3xy + 3x - 54y2 - 6y D. 15x2 - 30xy + 3x - 54y2 - 6y
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Determine whether the functions f(x) and g(x) are inverse functions.f(x) = 9x + 72, g(x) = 
x - 8
A. Yes B. No
Mathematics