Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest 
expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If a retirement account pays 6% annual interest, determine how much a 
worker would have to deposit in this account every 4 weeks in order to have a million dollars at age 65.
A. $4326.44
B. $334.75
C. $33,474.92
D. $43.26
Answer: B
Mathematics
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Solve.Use the approximations ln 4 ? 1.386 and ln 5 ? 1.609 together with the properties of natural logarithms to calculate an approximation to ln 20.
A. 2.230 B. 2.995 C. 2.996 D. 6.930
Mathematics
Find the area of the specified region.Shared by the circles r = 2 and r = 4 cos ?
A. 
(4? - 3
)
B. 
?
C. 
(2? + 3
)
D. 2?
Mathematics
Evaluate the integral.
A. 
+ 3tan-1
+ C
B. - 
+ 
tan-1 
+ C
C. - 
+ 
ln
+ C
D. - 
+ 
tan-1
+ C
Mathematics
Find all specified roots.Cube roots of -8
A. -2, 1 + 
i, -1 - 
i
B. -2, -1 - 
i, 1 - 
i
C. -2, 1 + 
i, 1 - 
i
D. -2, -1 + 
i, -1 - 
i
Mathematics