Solve the problem.Two surveyors 180 meters apart on the same side of a river measure their respective angles to a point between them on the other side of the river and obtain 54° and 68°. How far from the point (line-of-sight distance) is each surveyor? Round your answer to the nearest tenth of a meter.
Fill in the blank(s) with the appropriate word(s).
196.8 m, 171.7 m
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Subtract. Write the answer in lowest terms as a mixed number.
A. 15
B. 14
C. 15
D. 16
Use cylindrical coordinates to find the volume of the indicated region.the region enclosed by the cylinder 
and the planes 
and 
A. 500? B. 250? C. 125? D. 375?
Solve the problem.Find the sum of the first 6 terms of the arithmetic sequence 2, 4, 6, . . . .
A. 30 B. 36 C. 49 D. 42
Solve the problem.Sandy manages a ceramics shop and uses a 
kiln to fire ceramic greenware. After turning off her kiln, she must wait until its temperature gauge reaches 
before opening it and removing the ceramic pieces. If room temperature is 
and the gauge reads 
in 9 minutes, how long must she wait before opening the kiln? Assume the kiln cools
according to Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.) A. 47 minutes B. 264 minutes C. 393 minutes D. 73 minutes