Verify the identity.sin 
= cos x
What will be an ideal response?
sin 
= sin x cos 
+ sin 
cos x = (sin x)(0) + (1)(cos x) = cos x.
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Classify the following number as rational or irrational.(
)?7
A. Irrational B. Rational
Convert the units.30 mm = m
A. 0.3 m B. 30,000 m C. 3000 m D. 0.03 m
Provide an appropriate response.A small company allows its employees to use "flex-time" to decide whether to work full-time, half-time, or quarter-time. Of its 45 employees, 14 choose to work full-time, 10 are parents with small children who choose to work half-time, and 21 are students who work quarter-time after school and on Sundays. Which measure of central tendency would be best to use for measuring the average number of hours worked by the employees?
A. Median B. Mean C. Mode D. Weighted mean
Determine whether the argument is valid or invalid.~q ? ~p
~q
A. Valid B. Invalid