Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? Please round your answer to one decimal place.
HeightsProbability550.001600.022650.104700.373750.373800.104850.022900.001?
__________ in
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Fill in the blank(s) with the appropriate word(s).
72.5
Mathematics
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For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of f ? g.
A. [0, ?) B. (-4, 4) C. [4, ?) D. (-?, ?)
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Determine whether the statement is true or false.If Florida is in the United States, then all rectangles are squares.
A. True B. False
Mathematics
Compute the values of f(x) and use them to determine the indicated limit.If f(x) = x2 + 8x - 2, find 
f(x). 
A. 
; limit = 17.70
B. 
; limit = 5.40
C. 
; limit = 18.0
D. 
; limit = ?
Mathematics
Graph the system of inequalities. Indicate the solution by shading.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Mathematics