Refer to the following normal curve, with mean ? and standard deviation ?.
A data value of 99 corresponds to a standardized value of
A. 45.
B. 2.5.
C. 3.
D. 2.
E. none of these
Answer: C
Mathematics
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Answer the question.A grab bag contains eleven wrapped boxes. Five of the boxes contain dolls and the other six contain puzzles. How many boxes must be taken to be sure that at least one box contains a doll and one box contains a puzzle?
A. 7 boxes B. 8 boxes C. 6 boxes D. 5 boxes
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For the given Hindu-Arabic numeral, write an equivalent numeral in the indicated system.210; Babylonian
A. 
B. 
C. 
D. 
Mathematics
Find the length of an arc intercepted by a central angle ? in a circle of radius r. Round your answer to 1 decimal place.r = 16.12 ft; ? = 
radians
A. 9.2 ft B. 13.8 ft C. 4.6 ft D. 2.3 ft
Mathematics
Simplify the expression by combining any like terms.2z - 12z + z
A. -10z B. -9z C. -10z + z D. -11z
Mathematics