If ABDE is a square with side length 6 m, find the area of the shaded region.
What will be an ideal response?
18 m²
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Simplify.
+ 
A. 
B. 
C. 
D. 
Provide an appropriate response.Markup is also referred to as:
A. price differential B. both gross profit and gross margin C. gross profit D. gross margin
Solve the problem.John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is looking as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number.
A. 86 ft B. 90 ft C. 67 ft D. 61 ft