Solve the problem. Assume that the minimum payment on a credit card is the greater of $27 or 3% of the unpaid balance.Find the minimum payment on an unpaid balance of $769.52.
A. $230.86
B. $27.00
C. $23.09
D. $28.09
Answer: B
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Solve the problem.If the series is integrated twice term by term, for what value(s) of x (if any) does the new series converge and for which the given series does not converge?
A. x = 6 B. x = 4 C. x = 4, x = 6 D. None
Change the order of integration and evaluate the integral.
A. ?
B. ?
C. ?
D. ?
Solve.Amy can clean the house in 8 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?
A. 8hr
B. 8 hr
C. 4 hr
D. 9hr
Solve the problem.An office manager is buying used filing cabinets. Small file cabinets cost $7 each and large file cabinets cost $12 each, and the manager cannot spend more than $104 on file cabinets. A small cabinet takes up 7 square feet of floor space and a large cabinet takes up 9 square feet, and the office has no more than 92 square feet of floor space available for file cabinets. The manager must buy at least 7 file cabinets in order to get free delivery. Let x = the number of small file cabinets bought and y = the number of large file cabinets bought. Write a system of inequalities that describes these constraints.
A. 7x + 12y ? 104 9x + 7y ? 92 x ? 7 B. 7x + 12y ? 104 7x + 9y ? 92 x + y ? 7 C. 7x + 12y ? 104 7x + 9y ? 92 x + y ? 7 D. 7x + 12y ? 104 7x + 9y ? 92 y ? 7