Find the circumference of the circle with the given radius or diameter.r = 2.29 cm
A. 16.5 cm
B. 14.4 cm
C. 14.39 cm
D. 7.19 cm
Answer: B
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Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.A = 
?r2 for r
A. r = ±3
B. r = ±
C. r = ±
D. r = ± 
Provide an appropriate response.A cone and a cylinder have the same volume and the same base radius. If you are given only the height of the cylinder, is it possible to figure out the height of the cone? If so, how would you figure it out?
What will be an ideal response?
Solve the problem.A washer is made by removing a circular disk from the center of another circular disk of radius 11 ft. If the disk that is removed has radius x, write a completely factored polynomial whose values give the area of the washer.
A. ?(11 - x)(11 + x) B. ?(11 - x)2 C. ?(22 - x)2 D. ?(22 - x)(22 + x)
Determine whether or not the function is one-to-one.
A. Yes B. No