Solve the problem.There are 12 students in a class: 9 are boys and 3 are girls. The teacher assigns seats at random. How many different boy/girl seating arrangements are possible?
A. 1320
B. 232
C. 220
D. 79,833,600
Answer: C
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
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Plot the point given in polar coordinates.(2, 0°) 
A. 
B. 
C. 
D. 
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:More than 15.2 seconds
A. 34% B. 50% C. 68% D. 48%
Mathematics
Find an equation of the line containing the given points. Express your answer in slope-intercept form.(4, -3) and (7, 1)
A. y = 
x - 
B. y + 3 = 
(x - 4)
C. y = - 
x - 
D. y = 
x - 
Mathematics