Find the coefficient of the given term in the binomial expansion.x4 term, (x - 2)9
A. 4032
B. -24,192
C. 24,192
D. -4032
Answer: D
Mathematics
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A group of 7 friends are going to a concert. Tickets cost $9 each and they pay an additional $7 per person to upgrade their tickets to the front row. What is the total cost for all of their tickets?
A. $441 B. $122 C. $14 D. $112
Mathematics
Solve the problem.If the ratio of boys to girls in a class is 4:9, what is the ratio of girls to all students in the class?
A. 9:4 B. 13:4 C. 9:13 D. 4:13
Mathematics
Convert the expression.
What will be an ideal response?
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics