Evaluate by using polar coordinates.
A. 
?
B. 
?
C. 
?
D. 
?
Answer: C
Mathematics
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Solve the problem.The car Colleen is driving gets 27
miles per gallon of gas. She used 5
gallons of gas going from her home to her grandparents' home. She used another 6
gallons traveling from her grandparents' home to her cousin's apartment. What was the total distance Colleen drove?
A. 330
miles
B. 238
miles
C. 328 miles
D. 221
miles
Mathematics
Find the expected value for the random variable.A business bureau gets complaints as shown in the following table. Find the expected number of complaints per day.
A. 2.73 B. 3.01 C. 2.98 D. 2.85
Mathematics
Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract.(10 - i
) + (28 - 
)
A. -18 - 2i
B. 38 - 2
C. 38 + 2i
D. 38 - 2i
Mathematics