Convert the radian measure to degree measure. Use the value of ? found on a calculator and round answers to two decimal places.- 
?
A. -9.94°
B. -285°
C. -570°
D. -1140?°
Answer: C
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
A dart is thrown randomly and sticks on the circular dart board shown. Assume that all sectors are the same size and that the dart does not land on a border between shaded areas.
Find the probability that the dart lands on sector number 3 or sector number 8.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The length and width of a rectangle must have a sum of 40 feet. Find the dimensions of the rectangle whose area is as large as possible.
A. length 19 ft; width 21 ft
B. length 20 ft; width 20 ft
C. length 20 ft; width 60 ft
D. length 
ft; width 
ft
Mathematics