Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having at least four girls?
A. 0.0313
B. 0.3125
C. 0.1563
D. 0.1875
Answer: D
Mathematics
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Simplify the expression.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 12 cm B. 14.5 cm C. 72.5 cm D. 145 cm
Mathematics
Solve the equation.2(7 + 3x) = 
A. {3}
B. {1}
C. {-3}
D. 
Mathematics
Graph the cycloid for t in the indicated interval.x = 5(t - sin t), y= 5(1 - cos t), 0 ? t ? 4?
A. 
B. 
C. 
D. 
Mathematics