Given the bivariate data:
 figure 1.png)
(i) Find the least-squares regression line for the data. Round constants to the nearest hundredth.
(ii) Use the equation of the least-squares line to predict the value of y when x = 16.
 figure 2.png)
 answer.png)
Mathematics
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Sketch the graph of the quadratic function.f(x) = 
(x + 2)2 + 4
A. 
B. 
C. 
D. 
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Graph.
- 
= 1
A. 
B. 
C. 
D. 
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Check the subtraction. If the subtraction has not been done correctly, find the correct answer.
A. Incorrect; -706 B. Correct. C. Incorrect; 1454 D. Incorrect; -806
Mathematics
Use ZERO (or ROOT) to approximate the smaller of the two x-intercepts of the equation. Express the answer rounded to two decimal places.y = x2 + 4x - 3
A. -0.65 B. 4.65 C. 0.65 D. -4.65
Mathematics