Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The normal monthly precipitation (in inches) for August is listed for 12 different U.S. cities.3.51.62.43.74.13.91.03.64.23.43.72.2Compute the standard deviation.
A. 1.00
B. 12.03
C. 1.05
D. 1.09
Answer: C
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Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x + 1)(x - 5)(x - 1)2
A. -1, crosses the x-axis; 5, crosses the x-axis; 1, crosses the x-axis B. -1, crosses the x-axis; 5, crosses the x-axis; 1, touches the x-axis and turns around C. 1, crosses the x-axis; -5, crosses the x-axis; -1, touches the x-axis and turns around D. 1, crosses the x-axis; -5, touches the x-axis and turns around; -1, touches the x-axis and turns around
Find all the complex solutions of the equation.x2 - i = 0
A. -i, i
B. 
+ 
i, - 
- 
i
C. 
- 
i, - 
+ 
i
D. -1, 1
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 4, y = 2; (4, 2) B. x = 2, y = 3; (2, 3) C. x = 2, y = 4; (2, 4) D. inconsistent
Provide an appropriate response.Show that the points P1(2,4), P2(5,2), and P3(7,5) are the vertices of a right triangle.
What will be an ideal response?