A set of data items is normally distributed with a mean of 500. Find the data item in this distribution that corresponds to the given z-score.z = -3, if the standard deviation is 70.
A. 497
B. 430
C. 290
D. 710
Answer: C
Mathematics
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Solve.20x2 + 37x + 15 = 0
A. 
, - 
B. - 
, - 
C. - 
, - 
D. 
, 
Mathematics
Find the perimeter of the specified triangle. Assume the triangles are similar.Find the perimeter of the triangle on the left.
A. 43.2 cm B. 24.4 cm C. 36.4 cm D. 39.4 cm
Mathematics
Determine whether the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10.71,380
A. 4, 5 B. 2, 4, 5, 10 C. 2, 5 D. 4, 5, 10
Mathematics
Perform the indicated operation or operations.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics