Solve the problem.Find cos 
, given that cos ? = - 
and ? terminates in 90° < ? < 180°.
A. - 
B. 
C. 
D. - 
Answer: C
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Calculate the balance under the given assumptions.Find the savings plan balance after 9 months with an APR of 4% and monthly payments of $255.
A. $3135.92 B. $2665.53 C. $1976.96 D. $2325.84
Solve the equation for the unknown quantity.9x - 9 = 15 - 3x
A. 2 B. 4 C. -2 D. 1
Solve the problem. Refer to the table if necessary.
Your deductible expenditures $5238 for contributions to charity and $646 for state income taxes. Your filing status entitles you to a standard deduction of $6350. Should you itemize your deductions rather than claiming the standard deduction? If so, what is the difference?
A. Yes, $1758 B. Yes, $5884 C. Yes, $466 D. No, you are better off with the standard deduction.
The behavioral adjustment of a group of children placed in foster care was assessed twice a year over a period of 10 years. This is an example of a __________ research design.
A. cross-sectional B. psychophysiological C. longitudinal D. sequential