Evaluate the expression without using a calculator.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
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Write the ratio as a fraction in simplest form.4 : 7
A. 
B. 
C. 
D. 
Determine if the stated number could represent a probability.-3.2
A. Yes B. No
Simplify the expression.-(-3)
A. -3 B. 0 C. 6 D. 3
Solve.The inequality |x - 12.9| ? 0.4 describes the range of acceptable lengths x, in centimeters, of a certain metal rod used in a manufacturing process. Solve the inequality and interpret the solution.
A. { x 
} or (-?, 
? 
?); the length of the metal rod is acceptable at or below 12.5 cm and at or above 13.3 cm.
B. { x 
} or (-?, 
? 
?); the length of the metal rod is acceptable at or below 13.3 cm and at or above 13.7 cm.
C. { x 
} or 
; the length of the metal rod is acceptable between a low of 12.5 cm and a high of 13.3 cm.
D. { x 
} or 
; the length of the metal rod is acceptable between a low of 13.3 cm and a high of 13.7 cm.