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)
Answer: A
Mathematics
You might also like to view...
Round the number so that there is only one nonzero digit.7787
A. 7800 B. 8000 C. 9000 D. 7790
Mathematics
Find the probability.If two cards are drawn without replacement from a deck, find the probability that the second card is a spade, given that the first card was a spade.
A. 
B. 
C. 
D. 
Mathematics
Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the number is rational or irrational. Find a decimal approximation to the nearest thousandth.
A. Irrational, 51.000 B. Rational, 51.000 C. Irrational, 10.100 D. Rational, 10.100
Mathematics