Subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem. Round to an appropriate number of significant digits.Two forces, of 63.0 and 32.9 lb, forming an angle of 100.5°, act at a point in the plane. Find the magnitude of the resultant force.
A. 380 lb B. 2040 lb C. 95.9 lb D. 65.5 lb
Determine whether the graph is a complete graph.
A. No B. Yes
List the elements in the sample space of the experiment.A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. List the sample space of picking a blue card followed by a green card.
A. {7} B. {(1, 1), (1, 2), (1, 3), (1, 4), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4)} C. {12} D. {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3), (4, 1), (4, 2), (4, 3)}
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = 4x3 - 5x2 + x + 2
A. 3 or 1 positive zeros, 2 or 0 negative zeros B. 2 or 0 positive zeros, no negative zeros C. 3 or 1 positive zeros, 1 negative zero D. 2 or 0 positive zeros, 1 negative zero