Provide an appropriate response.If a fire ladder has a maximum angle of elevation for rescue of 70° and the department's longest ladder is 120 feet, what is the maximum safe rescue height? 
A. 41 ft
B. 113 ft
C. 44 ft
D. 128 ft
Answer: B
Mathematics
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Use the mileage chart shown below to find the minimum spanning tree for the 5 cities of Boston, Buffalo, Chicago, Columbus, and Louisville.
Using Kruskal's algorithm which edge is chosen third?
A. Buffalo - Columbus. B. Columbus - Louisville. C. Boston - Buffalo. D. Boston - Chicago. E. none of these
Mathematics
Multiply and simplify.
? 
A. 5
B. 
C. 
D. 10
Mathematics
Solve the radical equation.
= x + 6
A. {9} B. {-8} C. {8} D. {-7}
Mathematics
Find the exact value under the given conditions.Given sin u = 
, with u in quadrant II, and cos v = 
, with v in quadrant I. Find sin (u - v).
A. 
B. - 
C. 
D. 
Mathematics