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 no boys.
A. 
B. 
C. 
D. 
Answer: D
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Divide using synthetic division.
A. x4 + 2x3 + 5x2 + 10x + 20 + 
B. x4 + 3 + 
C. x4 + 2x3 + 4x2 + 9x + 18 + 
D. x4 + 3x2 + 
Graph the function.y = -cot 
A. 
B. 
C. 
D. 
Find the probability.The distribution of B.A. degrees conferred by a local college is listed below, by major.MajorFrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering 8689313What is the probability that a randomly selected degree is not in Mathematics? Give your answer as a decimal rounded to three decimal places.
A. 0.682 B. 0.303 C. 0.232 D. 0.768
Solve the problem.One of Sal's customers ordered items costing 
and 
If Sal's commission on each item is 
what is his total commission on this sale? Round your answer to the nearest cent.
A. $11.98 B. $16.60 C. $13.57 D. $19.09