Solve the problem.A plane flies 450 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 192 mph
B. 217 mph
C. 197 mph
D. 182 mph
Answer: A
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Perform the operations.8.06 × 104
A. 8,060 B. 80,600 C. 806,000 D. 322.4
Solve the problem.If sin x is replaced by and |x| < 0.5, what estimate can be made of the error?
A. |E| < 0.000003100 B. |E| < 0.000021701 C. |E| < 0.000010851 D. |E| < 0.000001550
Which of the following arrangements helps a firm both to accelerate the collection of its customers' payments and to convert those payments into cash?
A. Lockbox arrangement B. Controlled disbursement accounts C. Economic ordering quantity D. Payables concentration E. Zero-balance accounts
Describe all symmetries of the figure shown.
A. 2 lines of symmetry, 180° rotation symmetry B. 1 line of symmetry, 180° rotation symmetry C. 4 lines of symmetry, 90° rotation symmetry D. 2 lines of symmetry, 90° rotation symmetry