Solve.Steve and Kim have put in a new tile entryway in their house. The tiles measure 8 × 8 in. and have grout joints 
in. wide. Use the diagram to find the width of the entryway.
A. 280 in2
B. 40
in.
C. 40
in.
D. 2308
in2
Answer: B
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Solve the problem.Which data set given below has the smallest standard deviation?
A. {3, 4, 6, 6, 6} B. {3, 4, 5, 6, 7} C. {1, 1, 5, 9, 9} D. {4, 5, 5, 5, 6} E. {3, 3, 5, 7, 7}
Provide an appropriate response.The expression 
contains parentheses. Are they necessary? Explain.
What will be an ideal response?
The table of values was generated by a graphing utility with a TABLE feature. Use the following table to solve. 
Which equation corresponds to Y2 in the table?
A. y2 = x + 2 B. y2 = 2x + 3 C. y2 = 2x - 3 D. y2 = 2 - 3x
Factor, using the given factor. Assume all variables represent positive real numbers.(x - 8)-3/2 - (x - 8)-1/2 + (x - 8)1/2; (x - 8)-3/2
A. (x - 8)-3/2(x2 - 17x - 65) B. (x - 8)3/2(x2 + 16x - 73) C. (x - 8)-3/2(x2 + 17x - 73) D. (x - 8)-3/2(x2 - 17x + 73)