Perform the indicated operation. Simplify the answer when possible.
? 
A. 
B. 
C. 7
D. 2
Answer: C
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Find the area of the region specified in polar coordinates.one petal of the rose curve r = 9 cos 3?
A. 
?
B. 
?
C. 
?
D. 
?
Solve the simple interest problem. Round to the nearest cent.If Janus makes an investment of $70,000 at a simple interest rate of 5% for 3 years, then what is the overall amount of money that she will have at the end of the 3-year period?
A. $80,500.00 B. $80,700.00 C. $80,442.43 D. $80,400.00
Solve the problem.Behemoth Back Packs, Inc. finds that the cost to make x back packs is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of back packs, x, that must be sold for the company to show a profit?
A. 87 back packs B. 2,509,018 back packs C. 34 back packs D. 970,642 back packs
Write the decimal number as a percent. 0.018
A. 0.18% B. 0.0018% C. 1.8% D. 18%