Solve the problem.A tree casts a shadow of 26 meters when the angle of elevation of the sun is 24°. Find the height of the tree to the nearest meter.
A. 13 m
B. 12 m
C. 11 m
D. 10 m
Answer: B
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Write one or more inequalities that describe the set of points.The rectangular solid in the first octant bounded by the planes x = 9, x = 10, y = 3, y = 7, 
and 
(planes excluded)
A. x < y < z B. x < 9, x > 10; y < 3, y > 7; z < 5, z > 10 C. The given planes do not form a rectangular solid D. 9 < x < 10; 3 < y < 7; 5 < z < 10
Solve the equation.-7x - 9x = -64
A. {4} B. {32} C. {- 32} D. {-4}
The concentration, in milligrams per deciliter, of a drug in the bloodstream t hours after it is administered is
?
.
When is the maximum concentration achieved?
?
A. After 6 hours B. After 2.84 hours C. After 5 hours D. After 1.84 hours
What are the components of the general environment and why is it important to understand them.
What will be an ideal response?