Solve the problem.A couple plans to have four children. Using a tree diagram , obtain the sample space. Then, find the probability that the family has three boys first and then one girl.
A. 
B. 
C. 
D. 
Answer: D
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Solve the formula for the given variable.V = lwh for w
A. w = Vlh
B. w = 
C. w = 
D. w = 
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.
A. 
B. 
C. 1
D. 0
Solve the problem.Find the length of each petal of the polar curve r = 3 + 5 cos 3?. Note that this means the distance from the pole to the farthest point on the petal, not the arc length.
A. 3 B. 18 C. 5 D. 8
Determine whether the graph shows a consistent system with independent equations, a consistent system with dependent equations, or an inconsistent system with independent equations.
A. Consistent with independent equations B. Inconsistent with independent equations C. Consistent with dependent equations