Solve the problem.A tree casts a shadow 19 m long. At the same time, the shadow cast by a 42-cm tall statue is 68 cm long. Find the height of the tree. Round results to the nearest unit.
A. 30 m
B. 12 m
C. 31 m
D. 11 m
Answer: B
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For an election with 6 candidates (A, B, C, D, E, and F), we have the following preference schedule:
Using the method of pairwise comparisons, the winner of the election is
A. A. B. B. C. C. D. E. E. none of these
Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 47.35 sin x. Make a scatter diagram of the data. Find the sinusoidal function of the form 
which fits the data.
What will be an ideal response?
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.-102°18'46''
A. -102.30° B. -102.31° C. -102.35° D. -102.25°
Solve the problem.The function h = -16t2 + 16t + 282 gives the height h, in feet, of a coin tossed upward from a balcony 282 ft high with an initial velocity of 16 ft/sec. During what interval of time will the coin be at a height of at least 90 ft?
A. 4 ? t ? 8 B. 3 ? t ? 4 C. 0 ? t ? 4 D. 0 ? t ? 1