Complete the identity.sin ? cos3 ? + sin3 ? cos ? = ?
A. 
sin (2?)
B. 
sin2 (2?)
C. 
sin (3?) sin (2?)
D. 
sin (2?) cos (2?)
Answer: A
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Divide and then interpret the remainder.How many dozen eggs is 202 eggs?
A. 17 dozen with 2 eggs left over B. 16 dozen with 10 eggs left over C. 16 dozen with 2 eggs left over D. 17 dozen with 10 eggs left over
Solve. Clear fractions first.
x - 
x = 4
A. -60 B. -120 C. 60 D. 120
The bar graph shows the percent of income spent on leisure activities in various countries of the world. Use the graph to answer the question.
List all countries in the graph in which less than 12% of household income is spent, on average, for leisure activities.
A. China, Australia B. China, Australia, France, Germany C. China, Australia, France D. Germany, Britain, Japan, USA
Solve the variation problem.The intensity of a radio signal from a radio station varies inversely as the square of the distance from the station. If the intensity is 8000 units at a distance of 2 miles, what will it be at a distance of 6 miles? Round to the nearest unit.
A. 915 units B. 853 units C. 889 units D. 872 units