Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 8?
B. 
?
C. 
(4? - 3
)
D. 
(2? + 3
)
Mathematics
Solve the formula for the specified variable.F = 
C + 32 for C
A. C = 
(F - 32)
B. C = 
C. C = 
D. C = 
(F - 32)
Mathematics
Find the perimeter of the shape made up of rectangles and squares.
A. not enough information given B. 57 km C. 78 km D. 39 km
Mathematics
Find the common difference for the arithmetic sequence.8, 13, 18, 23, . . .
A. -5 B. -15 C. 5 D. 15
Mathematics