Solve the problem.Find the moment of inertia about the y-axis of the thin infinite region of constant density 
in the first quadrant bounded by the coordinate axes and the curve 
.
A. 
B. 
C. 
D. 
Answer: C
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Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
= 
is an example of a(n) 
.
A. proportion B. complex fraction C. reciprocals D. least common denominator
List all numbers from the set that are of the type indicated.{5, 
, -17, 0, 0.89}Rational numbers
A. 
B. 
, 0.89
C. 5, 0
D. 5, -17, 0, 0.89
Following the rules for working with measurements, find the area of the lateral surface to be painted in the illustration. Assume there are no windows.
A. 2,180 m 2 B. 2,230 m 2 C. 2,330 m 2 D. 3,230 m 2 E. 558 m 2
Solve the problem.After retirement, Kelly's company offers her two options for receiving her retirement pension. According the the first plan, she will receive monthly payments from a variable annuity that initially pays $700 per month then decreases each month at a rate of $25 per month per year. Optionally, she may choose a plan that pays her a fixed amount of $500 per month for the rest of her life. The monthly payments for the two plans are illustrated in the graph below. If Kelly's remaining life expectancy is 20 years, which plan would be the better choice?
A. The fixed annuity B. The variable annuity C. Both plans are equally attractive.