Solve the problem using the idea of labeling.In how many ways can 9 officers be assigned with 3 assigned to parking, 2 assigned to security, and 4 assigned to emergencies?
A. 30,240
B. 1260
C. 15,120
D. 40,320
Answer: B
Mathematics
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Rationalize the denominator.
A. 5
B. 5
C. 
D. 
Mathematics
Provide an appropriate response.If a dividend is not declared and paid, this type of preferred stock is still owed its dividend.
A. participating B. convertible C. cumulative D. coupon
Mathematics
Is ?BCD an exterior angle of ?ABC?
Mathematics
For the given equation, evaluate the discriminant. How many real solutions are there?x(3 + x) = 1
A. 0; one B. 5; two C. 10; two D. 13; two
Mathematics