Solve the problem.The earth, Jupiter, Saturn, and Neptune all revolve around the sun. The earth takes 1 year, Jupiter approximately 12 years, Saturn approximately 30 years, and Neptune approximately 165 years to make a complete revolution. How often will Saturn and Neptune appear in the same direction in the night sky as seen from earth?[Hint: Find the LCM of 30 and 165]
A. Every 990 years
B. Every 1650 years
C. Every 4950 years
D. Every 330 years
Answer: D
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Solve the problem.The Feldmans bought their first house for 
Over the years they moved three times into bigger and bigger houses. Now, 41 years later, they are ready to retire and want a smaller house like the first one they bought. If inflation in property values has averaged 
per year during that time, how much will such a house cost them now? (Round your answer to the nearest dollar.)
A. $62,095 B. $63,819 C. $3071 D. $3156
Find the product.(3xy2 - 13y)(3xy2 + 13y)
A. 9x2y4 - 78xy3 - 169y2 B. 9x2y4 - 169y2 C. 3x2y4 - 13y2 D. 9x2y4 + 78xy3 - 169y2
Sketch by hand the graph of the function.f(x) = log1/8 x
A. 
B. 
C. 
D. 
Solve the problem.For some reason the quality of production decreases as the year progresses at a light bulb manufacturing plant. The following data represent the percentage of defective light bulbs produced at a light bulb manufacturing plant in the corresponding month of the year. 
Use the equation of the least squares line to predict the percentage of defective bulbs in June.
A. 2.3% B. 2.0% C. 2.20% D. 2.15%