Solve the problem.A 5-foot tree casts a 13-foot shadow and creates a right triangle, as shown. At the same time, a nearby building casts a 156-foot shadow, creating a similar right triangle. What is the height of the building?
A. 405.6 ft
B. 84 ft
C. 60 ft
D. 31.2 ft
Answer: C
Mathematics
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Use the fundamental identities to find the value of the trigonometric function.Find cos ? if sin ? = - 
and ? is in quadrant III.
A. - 
B. 
C. - 
D. - 
Mathematics
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
Mathematics
Clear fractions then solve by substitution.
- 
= 
+ 
= 
A. 
B. 
C. 
D. 
Mathematics
Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(-56, 46) and (-63, -36)
A. 14,261
B. 
? 82.298
C. 
? 119.419
D. 14,061
Mathematics