Solve: 
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve.A 15-foot fence on the property line would cast a 30-foot shadow on the shortest day of the year, and the north side of the apartment building is set back 80 feet from the property line. Find the maximum allowed height of the apartment building.
A. 51.33 ft B. 47.67 ft C. 40 ft D. 55 ft
Write the series with summation notation.6 + 2 + 
+ 
A. 
B. 
C. 
D. 
Solve the problem by estimating.Enrollment figures at a community college showed an increase from 23,667 credit hours in 2005 to 76,265 credit hours in 2006. Round each number to the nearest thousand to estimate the increase.
A. 53,000 credit hours B. 52,000 credit hours C. 52,600 credit hours D. 52,700 credit hours
Solve the problem.The volume V (in cubic inches) of a cylindrical pipe with length 12 inches is given by V(r) = 12?r2, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the volume V of the pipe as a function of the time t.
What will be an ideal response?