Solve the problem.The number of cheeseburgers (in thousands) sold each day by a chain of restaurants t days after the end of an advertising campaign is given by 
What is the average number of cheeseburgers sold each day during the first 7 days after the end of the advertising campaign?
A. 5904 cheeseburgers
B. 3740 cheeseburgers
C. 4821 cheeseburgers
D. 4770 cheeseburgers
Answer: C
Mathematics
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Divide and simplify.
÷ 
A. 
B. 
C. z - 7
D. 
Mathematics
For an amortized loan, you are given the loan, annual interest rate, and length of the loan. Find the monthly payment necessary to pay off the loan.amount: $3600; rate 11%; time: 3 years.
A. $112.36 B. $143.36 C. $217.86 D. $117.86
Mathematics
Use the following matrices and compute AB.
A. 
B. 
C. 
D. 
Mathematics
Simplify. Express answers with positive exponents only.(a4b-3)4
A. 
B. a16b12
C. -a8b7
D. 
Mathematics