Estimate the standard deviation of the grouped data.
Score
Frequency
1-3
1
4-6
6
7-9
3
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Use the law of sines to solve the triangle ABC if a = 18, b = 18, and A = 42°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 0.1°.
A. no solution B. B = 42.0°, C = 96.0°, c = 26.75; B = 138.0°, C = 42.0°, c = 18.00 C. B = 138.0°, C = 42.0°, c = 18.00 D. B = 42.0°, C = 96.0°, c = 26.75
Provide an appropriate response.The volume of a rectangular solid is to be 120 cubic units. Give two sets of possible dimensions for the solid.
What will be an ideal response?
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
What was the total number of new residents in Birton during the years 1999 to 2001?
A. 282 B. 330 C. 417 D. 382
Solve the inequality by the test-point method. Write the solution in interval notation.x2 + 9 < 3x
A. (-?, -3) B. {3} C. (3, ?) D. ?