Solve the problem.In one area, the lowest angle of elevation of the sun in winter is 
Find the minimum distance x that a plant needing full sun can be placed from a fence that is 4.5 feet high. Round your answer to the tenths place when necessary.
A. 8.4 ft
B. 8.2 ft
C. 11.6 ft
D. 7.8 ft
Answer: B
Mathematics
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Find the limit.
A. 
+ 1
B. - 
- 1
C. -2
D. 2
Mathematics
Evaluate the expression.
2
A. 
B. 
C. 
D. 2
Mathematics
Solve the equation.
= -2
A. {33} B. {32} C. {-32} D. {-33}
Mathematics
Find the perimeter and the area of the following figure. Assume the lightly shaded inner triangle is an equilateral triangle with each side length 1 unit and assume the curves are semicircles that cover half of each side of the triangle. Give the exact answers.
Mathematics