Find the standard deviation. Round to one more place than the data.13, 14, 14, 11, 13, 15, 9, 18, 13
A. 2.5
B. 1.7
C. 2.4
D. 2.7
Answer: A
Mathematics
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Eliminate the parameter of the pair of parametric equations.x = 
, y = 2t + 5
A. y = 2x2 + 5
B. y = 2
- 5, x ? 0
C. y = 2
+ 5, x ? 0
D. y = 2x2 - 5
Mathematics
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x - 3| + 5 ? 13
A. [11, ?)
B. [-5, 11]
C. (-?, -5] ? [11, ?)
D. (-5, 11)
Mathematics
Write the equation for the line passing through the point (15, 17) which is perpendicular to the line y = 7
What will be an ideal response?
Mathematics
Factor the sum or difference of cubes.z3 - 1
A. (z - 1)(z2 + z + 1) B. (z + 1)(z2 - z + 1) C. (z - 1)(z2 - 1) D. (z - 1)(z2 - 2z + 1)
Mathematics