Evaluate the integral.
A. 6i + 
j + 7(1 + 
)k
B. 6i + 
j + 7(1 + 
)k
C. 6i + 
j + 7(1 - 
)k
D. 6i + 
j + 7(1 - 
)k
Answer: D
Mathematics
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Solve.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 the distance from the other focus?
A. 2 × 
× 103 mi
B. 2 × 
× 108 mi
C. 
× 104 mi
D. 2 × 
× 104 mi
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Identify the number represented on the abacus.
A. 90,928 B. 91,928 C. 51,528 D. 50,528
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Change the numbers to their percent equivalents.4.9
A. 49% B. 0.0049% C. 0.49% D. 490%
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Use the square root property to solve the quadratic equation.x2 = 
A. ± 7
B. ± 
C. ± 
D. 
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