Solve the problem.A window washer accidentally drops a bucket from the top of a 256-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. -4 sec
B. 64 sec
C. 16 sec
D. 4 sec
Answer: D
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 
?
B. 8?
C. 
(2? + 3
)
D. 
(4? - 3
)
Solve.Robert and Paul each took some chips from a bag of potato chips which contains 
ounces of chips. Robert took 2
ounces of chips and Paul took 2
ounces of chips. How many ounces of chips were left in the bag?
A. 11
ounces
B. 11
ounces
C. 10
ounces
D. 12
ounces
Use the symbolic definition of absolute value to simplify the expression.
A. 0 B. 1.5 C. -1.5 D. None of the above
Solve.The graph shows the melting points in degrees Celsius of three compounds: Compound A, Compound B and Compound C. 
The melting point of Compound D is 3 times the melting point of Compound A. Find the melting point of Compound D.
A. -111°C B. 111°C C. -121°C D. -101°C