The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the integral.
A. 32 B. 25 C. 50 D. 16
Use the Instructional Algorithm for addition or subtraction to perform the operation.56 - 38
A. 28 B. 94 C. 18 D. 6
Solve the following system by any appropriate method. If there is no real number solution, so state.x + y = 11x2 + y2 = 5
A. (11, 5), (11, -5), (-11, 5), (-11, -5)
B. (11, 
), (11, -
), (-11, 
), (-11, -
)
C. (5, 
), (5, -
), (-5, 
), (-5, -
)
D. no real solution
Solve the problem.Suppose that during the 1990s, the population of a certain country was increasing by 3.9% each year. If the population at the end of 1993 was 5.3 million, what was the population at the end of 1997? Round your answer to the nearest hundredth of a million.
A. 6.13 million B. 5.94 million C. 5.51 million D. 6.18 million