Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = -8xi - 6x5y3j + (-7z + 9y2)k ; the path is 
where C1 is the straight line from 
to 
C2 is the straight line from (1, 0, 0) to (1, 1, 0), and C3 is the straight line from (1, 1, 0) to (1, 1, 1)
A. W = 0
B. W = - 4
C. W = - 
D. W = 1
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Mathematics
Combine the following, if possible.
+ 5
+ 4
A. 47
B. 47
C. 9
D. 9
Mathematics
Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. (x - 5)(x + 2) > 0
A. (-?, -2) ? (5, ?)
B. (-2, 5)
C. (-?, -5) ? (2, ?)
D. (-2, ?)
Mathematics