Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.22 m = ____ yds
A. 6.7 yd
B. 72.2 yd
C. 20.2 yd
D. 24.0 yd
Answer: D
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Solve the problem.Find the derivative of the inverse of the function f(x) = mx, where m is a nonzero constant.
A. 
B. 
C. 1
D. m
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a8 when a = -3, r = 2.
A. -768 B. 11 C. -384 D. -380
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 5 P1 planes and 17 P2 planes
B.
| 9 P1 planes and 13 P2 planes |
C. 7 P1 planes and 11 P2 planes
D. 11 P1 planes and 7 P2 planes
Solve.A recent advertisement claimed that 2 out of every 3 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 290 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
A. 97 doctors B. 193 doctors C. 435 doctors D. 1740 doctors