Solve the problem.After using a new order of typewriter ribbons, John's Office Services found that a new ribbon could be used to type 69 pages. This was a decrease of 11.5% of pages from the old ribbons. How many pages could John's Office Services type with an old ribbon?
A. 87 pages
B. 73 pages
C. 78 pages
D. 69 pages
Answer: C
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Solve the problem.How many different 10-letter words (real or imaginary) can be formed from the letters in the word MANAGEMENT?
A. 226,800 B. 22,680 C. 3,628,800 D. 453,600
Evaluate the expression. Write answer without exponents.491/2
A. 14 B. 28 C. 7 D. 3.5
Find the parametrization for the curve.The circle with center (9, 6) and radius 3
A. x = 9 + 3 cos t, y = 6 + 3 sin t, for 0 ? t ? 2? B. x = -9 + 3 sin t, y = -6 + 3 cos t, for 0 ? t ? 2? C. x = 9 + 9 cos t, y = 6 + 9 sin t, for 0 ? t ? 2? D. x = 9 + 3t, y = 6 + 3t, for 0 ? t ? 2?
Solve the problem.An airplane flies 420 miles with the wind and 350 against the wind in the same length of time. If the speed of the wind is 30, what is the speed of the airplane in still air?
A. 335 mph B. 320 mph C. 150 mph D. 330 mph