Solve the problem.In order to receive a B in a course, it is necessary to get an average of 80% correct on two one-hour exams of 100 points each, on one midterm exam of 200 points, and on one final exam of 500 points. If a student scores 91, and 84 on the one-hour exams, and 141 on the midterm exam, what is the minimum score on the final exam that the person can get and still earn a B?
A. 584
B. 314
C. 449
D. 404
Answer: D
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Four players (A, B, C, and D) agree to divide the 12 items below using the method of markers. The players' bids are as indicated.
Item 11
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Use a positive rational exponent to write the expression.
A. (4n + 8)5/6
B. (4n + 8)6/5
C. 
D. (4n + 8)-6/5
Solve the problem.A pool table with a list price of $395 is sold by a wholesaler at a net cost of $252.80. Find the single trade discount rate being offered. Round to the nearest tenth of a percent if necessary.
A. 55.3% B. 64% C. 36% D. 56.3%
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 277 cm B. 138.5 cm C. 16.643 cm D. 11.5 cm