Solve the problem.An object is rolling with a driving force that suddenly ceases. The object then rolls 10 meters in the first second, and in each subsequent interval of time it rolls 80% of the distance it had rolled the second before. This slowing is due to friction. How far will the object eventually roll?
A. 20.0 m
B. 12.2 m
C. It will roll an infinite distance.
D. 50.0 m
Answer: D
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The stack plot below shows the value of each of Danny's investments. The stack plot contains three regions. The uppermost unshaded region represents the value of Danny's investment in individual stocks. The center shaded region represents the value of Danny's investment in mutual funds and the bottom region in black represents the value of Danny's investment in a CD. The thickness of a region at a particular time tells you its value at that time. 
Use the graph to answer the question.In which year was the total value of Danny's investments the greatest?
A. year 8 B. year 4 C. year 0 D. year 5
Find the perimeter.
A. 89 m B. 138 m C. 178 m D. 1960 m
Find the derivative.y = 
+ 
A. y ' = - 4 csc x cot x + sec2 x B. y ' = 4 csc x cot x - sec2 x C. y ' = 4 cos x - csc2 x D. y ' = 4 csc x cot x - csc2 x
Solve.A countertop is comprised of a pressboard layer that is 10 centimeters thick and a formica layer that is 2 centimeters thick. A protective coating that is 1.17 millimeters thick is added to the top of the formica. How thick is the countertop?
A. 12.117 cm B. 12.0117 cm C. 121.17 cm D. 13.17 cm