Find div F.F(x, y, z) = y cos(x)i + x sin(y)j + 8k
A. x cos(y) - y sin(x) + 8
B. x cos(y) - y sin(x)
C. x sin(y) - y cos(x) + 8
D. x sin(y) - y cos(x)
Answer: B
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Find the center and radius of the circle.x2 + y2 + 2x + 10y - 10 = 0
A. (-1, -5); r = 6 B. (5, 1); r = 36 C. (1, 5); r = 36 D. (-5, -1); r = 6
Solve the equation. If the equation has no real solution, so state.
- 3 = 
A. No solution B. x = -5 C. x = 25 D. x = -25
Identify the multiplication model that best fits the problem. Do not solve the problem.Kari drives 12 miles round trip each day to work. If she works 4 days each week, how many miles each week does she drive to work?
A. Set model B. Array model C. Measurement model D. Cartesian product model
Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. line; 
B. ray; 
C. line segment; 
D. ray; 