Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 4
B. 4x
C. x
D. 
Answer: B
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A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 60; standard deviation: 9
A. 1
B. 9
C. 
D. 0
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 790 seats B. 1010 seats C. 1092 seats D. 1070 seats
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = (x - 4)(x - 2)(x - 1)2
A. y ? ? as x ? -? and y ? ? as x ? ? B. y ? -? as x ? -? and y ? ? as x ? ? C. y ? -? as x ? -? and y ? -? as x ? ? D. y ? ? as x ? -? and y ? -? as x ? ?