Find the area of the region specified in polar coordinates.one petal of the rose curve r = 9 cos 3?
A. 
?
B. 
?
C. 
?
D. 
?
Answer: A
Mathematics
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Expand, where i2 = -1.(1 + i)8
A. 
B. 16
C. -64
D. 
Mathematics
Solve the absolute value inequality. Write your answer in interval notation.|2k + 6| + 3 > 10
A. 
B. 
C. 
? 
D. 
Mathematics
Remove or add parentheses as indicated.Place parentheses to make the equation 
true.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.How many gallons of a 30% alcohol solution must be mixed with 60 gallons of a 14% solution to obtain a solution that is 20% alcohol?
A. 36 gal B. 12 gal C. 27 gal D. 7 gal
Mathematics