Find the difference.-9 - (-9)
A. 0
B. -9
C. 9
D. 18
Answer: A
Mathematics
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Find the linear approximation of the function at the given point.
at 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the measure of an angle, if its supplement measures 58° more than twice its complement.
A. 58° B. 32° C. 116° D. 68°
Mathematics
Change the numbers to their percent equivalents. Round to the nearest tenth of a percent.
A. 13.3% B. 2% C. 20% D. 150%
Mathematics
Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 8 B. 16 C. 64 D. 128
Mathematics