Evaluate the determinant.
A. -144
B. 144
C. -4
D. -12
Answer: B
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Solve the problem.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long, and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit, what is its distance from the other focus?
A. 2
× 108 miles
B. 2
× 104 miles
C. 
× 104 miles
D. 
× 108 miles
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.y = 6x + 1-24x + 4y = 4
A. ? B. {(0, 1)} C. {(x, y) | -6x + y = 1} D. {(0, 0)}
Solve the equation graphically by finding x-intercepts.2x2 + 11x + 4 = 0
A. x = -2.36 or x = 2.36 B. x =-0.39 or x = 1.97 C. x = -5.11 or x = -0.39 D. x = 0 or x = 2.36
Find the component of u along v if  figure 1.png)
and  figure 2.png)
 figure 3.png)