Given a normal distribution with mean -10 and standard deviation 5, find the area under the normal curve and above the given interval on the horizontal axis.(-?, -5]
A. 0.8413
B. 0.3173
C. 0.1587
D. 0.6827
Answer: A
Mathematics
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Write the phrase as a variable expression. Use x to represent "a number."Twice a number, decreased by 14
A. x - 28 B. 2 + x - 14 C. 2(x - 14) D. 2x - 14
Mathematics
Write as a single interval.(-?, 5) ? (2, ?)
A. ? B. (2, 5) C. (2, ?) D. (-?, ?)
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Write the slope-intercept form of the equation for the line passing through the given pair of points.(-4, 0) and (5, -2)
A. y = - 
x - 
B. y = 
x + 
C. y = - 
x + 
D. y = 
x - 
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.
3
A. 
B. 
C. 
D. 
Mathematics