The polar coordinates of a point are given. Find the rectangular coordinates of the point.(4, 70°) Round the rectangular coordinates to two decimal places.
A. (1.59, 4.01)
B. (1.37, 3.76)
C. (4.01, 1.59)
D. (3.76, 1.37)
Answer: B
Mathematics
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Find the midpoint of the segment with the given endpoints.
and 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. sec-1 (ex) + C
B. ex sin-1 (ex) + C
C. sin-1 (ex) + C
D. -2
+ C
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 
B. -252
C. 64
D. 
Mathematics
Simplify the expression.-2(-2j + 8) - (7j + 3) - 4j + 11
A. 7j - 2 B. 7j + 11 C. -7j + 24 D. -7j - 8
Mathematics