Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 6m - 7
D. 
Answer: A
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A(n) ______ system is an arrangement that permits a customer's bank to periodically transfer funds from its account to a selling firm's bank account to pay an amount owed to the selling firm.
A. disbursement B. preauthorized debit C. lockbox D. concentration banking E. accounts payable
Divide. Write the answer as a mixed number as needed.
÷ 
A. 
B. 
C. 
D. 
Solve.A promotional deal for phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $48 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 660 min B. 2 min C. 1260 min D. 7 min
There were many names mentioned in this section. Give a brief description for the person named in problem, telling how they were related to the development of computers. ? Douglas Engelbart ?
A. 1st working computer, ENIAC B. founder of Microsoft C. invented computer mouse D. cofounder of Apple E. founder of I.B.M computers