Find the equation of the least squares line.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). 
A. y = 7.30 - 0.112x
B. y = -14.6 - 0.211x
C. y = 14.6 + 0.211x
D. y = 7.30 + 0.122x
Answer: C
Mathematics
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Solve the problem.Find the moment of inertia IL of the rectangular solid of density 
defined by 
, 
, 
, where L is the line through the points 
, 
alt="" style="vertical-align: -4.0px;" />.
A. 10640
B. 
C. 
D. 
Mathematics
In the figure, 
. If 
and 
, find 
.
What will be an ideal response?
Mathematics
Insert parentheses in order to make the statement true. More than one set of parentheses may be needed.4 + 2 ? 9 - 2 = 42
A. 4 + (2 ? 9 )- 2= 42 B. (4 + 2) ? (9 - 2) = 42 C. (4 + 2) ? 9 - 2 = 42 D. 4 + 2 ? (9 - 2) = 42
Mathematics
Use the quadratic formula to solve the quadratic equation.9b2 + 21b - 6 = -16
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics