Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a vector of magnitude 
tangent to the circle x2 + y2 = a2 + b2 and pointing in the clockwise direction.
A. -yi + xj
B. xi - yj
C. xi + yj
D. yi - xj
Answer: D
Mathematics
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Solve the equation.3z + 18 = 2z + 6
A. 24 B. 12 C. -24 D. -12
Mathematics
Provide an appropriate response.Simplify: 
What will be an ideal response?
Mathematics
Solve the problem.About how much will 
change if the point 
moves from 
a distance of 
unit in the direction 
A. - 
B. - 
C. - 
D. - 
Mathematics
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics