Following are forecasts of worldwide annual cell phone handset sales.
Yearx 3 5 7 Salesy(Millions) 500 600 800?
(
represents 2003)Complete the table.
x y xy x2 3 500____________________ 5 600____________________ 7 800____________________ Totals________________________________________?
Obtain the associated regression line. (Round coefficients to 2 decimal places if necessary.)Slope: __________Intercept: __________Use your regression equation to project the 2016 sales. (Round the answer to 2 decimal places if necessary.)__________
What will be an ideal response?
1500; 9; 3000; 25; 5600; 49; 15; 1900; 10100; 83; 75; 258.33; 1458.33
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Decide whether the statement makes sense. Explain your reasoning.Using the Hamilton apportionment method, a state was given 9 seats even though its standard quota was 9.94.
What will be an ideal response?
Solve the problem.(4, 5), (10, 5), and (10, 12) are the vertices of a right triangle. Find the area of the triangle.
A. 
B. 
C. 
D. 
Find the vertex of the given parabola.f(x) = 2x2 + 20x + 47
A. (3, 5) B. (-3, -5) C. (5, 3) D. (-5, -3)
For the given function expressed verbally, give a symbolic representation.Surveyors use the "link" as a unit of measure. To convert x inches to y links, divide x by 7.92. Let y = f(x).
A. f(x) = 7.92/x B. f(x) = 7.92 - x C. f(x) = 7.92x D. f(x) = x/7.92