Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Use a day counting table to find the exact number of days from the first date to the second date. Assume the year is not a leap year unless otherwise indicated.May 7 to November 12
A. 128 B. 190 C. 127 D. 189
Mathematics
Find the measure of ?x in the triangle.
A. 127° B. 86° C. 53° D. 43°
Mathematics
Find the solution or solutions, if any exist, to the system.
A. inconsistent system, no solution B. x = 5, y = 2, z = 4 C. x = 4, y = 5, z = 2 D. x = 4, y = 2, z = 5
Mathematics