Find an equation of an ellipse satisfying the given conditions.Foci at (-2, 0) and (2, 0); length of major axis: 10
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Answer: A
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 6Density: ? = 
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line of best fit from the data in the table. Round the slope and the y-intercept to the nearest hundredth.
A. y = 54 B. y = 0.25x + 50.4 C. y = 55.3 D. y = 3x + 50
Mathematics
Perform the indicated operations to decide whether the statement is true or false.-11 + 13 = 13 + (-11)
A. False B. True
Mathematics
Multiply.
2
A. x2 + 
x + 
B. x2 + 
x + 
C. x2 + 
D. x2 + 
x + 
Mathematics