Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 23 ft
A. C ? 72.2 ft, A ? 288.9 ft2
B. C ? 144.4 ft, A ? 1661.1 ft2
C. C ? 72.2 ft, A ? 6644.2 ft2
D. C ? 144.4 ft, A ? 144.4 ft2
Answer: B
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Provide an appropriate response.The bar graph shows governmental budget outlays for Country X's Department of the Environment for the years 2008 through 2011. Use a signed number to represent the change in outlay for (a) 2008 to 2009 and (b) 2010-2011.
A. (a) -24.6 billion dollars, (b) -6.7 billion dollars B. (a) 106.4 billion dollars, (b) 52.1 billion dollars C. (a) 24.6 billion dollars, (b) 6.7 billion dollars D. (a) -106.4 billion dollars, (b) -52.1 billion dollars
Solve the problem.A projectile is thrown upward so that its distance above the ground after t sec is given by 
After how many seconds does it reach its maximum height?
A. 34 sec B. 25.5 sec C. 17 sec D. 8 sec
Solve the problem.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is the distance in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 6 meters?
A. 5.4 sec B. 2.4 sec C. 7.0 sec D. 2.6 sec
Use radical notation to rewrite.(a2/3 - b3/2)1/3
A. 3
- 
B. 
- 
C. 
D. 