Let Z be the standard normal variable. Round your answers to the nearest tenth, if necessary.
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Find the value of z if z satisfies 
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__________
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Find the value of z if z satisfies 
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What will be an ideal response?
2.5; -2.5
Mathematics
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Write the solution set in interval notation.{x|-4 < x < 0}
A. [-4, 0] B. [-4, 0) C. (-4, 0] D. (-4, 0)
Mathematics
Find the area of the figure. 
A. 3131 cm2 B. 2095 cm2 C. 1133 cm2 D. 2132 cm2
Mathematics
Solve the problem.Find an expression that represents the area of the figure.
A. 8s12 B. 16s12 C. 8s7 D. 16s7
Mathematics
Simplify.
A. -13 B. 13 C. Not a real number D. -84
Mathematics