3 Question Rewrite this expression in simplest form.
(4 vºw)(-2w3)2
Type the correct answer in the box. For help, see this worked example 2.
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va
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77
sin cos tan sint postan-
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9
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csc seccot log log in
1

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

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