Use the regression capabilities of a graphing utility or a spreadsheet to find the least squares regression line for the points
. Round your answer to three decimal places.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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A water tank is in the shape of a sphere of radius 10 feet. The tank is supported on a metal circle 8 feet below the center of the sphere, as shown in the figure. Find the radius of the metal circle.
 figure 1.png)
(a) 6 ft
(b) 2 ft
(c) 3 ft
(d) 5 ft
(e) none of these
Mathematics
Multiply.-11a3b5(-12a8b9 + 10b7 + 4a)
A. 132a8b9 - 110b7 - 44a B. 132a11b14 + 10b7 + 4a C. 132a11b14 - 110a3b12 - 44a4b5 D. 132a11b14 - 110a3b12 + 4a
Mathematics
Determine the period of the function.y = tan 
A. -1
B. 1
C. 
D. 
Mathematics
Solve the inequality graphically, numerically, or symbolically, and express the solution in interval notation. Where appropriate, round to the nearest tenth.6?x + 2? < 6
A. 
B. 
? 
C. 
D. 
? 
Mathematics