Find the indicated coefficient or term.The 7th term in the expansion of (4x + 2y)10
A. 1,720,320x6y4
B. 860,160x6y4
C. 3,440,640x4y6
D. 1,720,320x4y7
Answer: C
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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
Solve the problem.The mathematical model 
represents the cost in dollars a company has in manufacturing x items during a month. Using this model, how much does it cost to produce 600 items?
A. $360,000 B. $390,000 C. $50.00 D. $0.08
Solve the gambler's ruin problem.Player A and Player B start with a total of $4. If A starts with $3, what is the probability of ruin for A?
A. 
B. 
C. 
D. 
Solve the given application problem.The stock market lost 35 points on Monday. The next day it lost 48 points. Find the total result for the two days. Express this as a real number.
A. -83 points B. 83 points C. 13 points D. -13 points