Find the standard deviation for the given data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below: $384 $210 $175 $370 $307 $334 $436 $254Round results to the nearest ten cents.
A. $280.50
B. $90.10
C. $819,498.00
D. $762,612.50
Answer: B
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Without graphing, determine whether the graph of the quadratic function opens up or opens down. Also, determine of the graph will be wider or narrower than the graph of y = x2.f(x) = 3x + 
x2 - 6
A. down, wider B. down, narrower C. up, wider D. up, narrower
Find the x-intercept and the y-intercept of the graph of the equation. Do not graph the equation.x + y = -3
A. x-intercept = -2; y-intercept = -1 B. x-intercept = -3; no y-intercept C. x-intercept = -3; y-intercept = -3 D. x-intercept = 0; y-intercept = -3
Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3)
What will be an ideal response?
Find the whole.579 hotels is 12% of what number of hotels?
A. 14 B. 48,250 C. 0.14 D. 4825