Solve the equation.
- 
= 3
A. {3, 8}
B. {-2}
C. {2, 38}
D. {2}
Answer: C
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Evaluate the double integral over the given region.
R: 4 ? x ? 9, 6 ? y ? 9
A. 
B. 
C. 
D. 975
Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the parabola y = 16 - x2 and the x-axis
A. 
= 
, 
= 0
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Provide an appropriate response.Which fraction is smallest?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A rocket tracking station has two telescopes A and B placed 2.4 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 29° and telescope B reports an angle of elevation of 52°?
A. 3.9 mi B. 2.98 mi C. 4.84 mi D. 1.48 mi