Solve the problem.A twenty-five foot ladder just reaches the top of a house and forms an angle of 41.5° with the wall of the house. How tall is the house? Round your answer to the nearest 0.1 foot.
A. 18.7 ft
B. 18.6 ft
C. 19 ft
D. 18.8 ft
Answer: A
Mathematics
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Match the differential equation with the appropriate slope field.y' = y(y + 2)( y - 2)
A. 
B. 
C. 
D. 
Mathematics
Solve.If a tiler lays 
tiles in 
hours, how many tiles can she lay in one hour?
A. 18 tiles B. 13 tiles C. 15 tiles D. 20 tiles
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.5 sin2 x cos2 x
A. 
- 
cos 2x
B. 
sin 2x
C. 
- 
cos 4x
D. 
- 
cos 4x
Mathematics
Solve the problem.If an object moves along a line so that it is at y = f(x) = 8x2 at time x (in seconds), find the velocity at 
A. 16 ft / s B. 160 ft/s C. 6 ft/sec D. 8 ft / s
Mathematics