In the diagram of ABED below, FC||ED, FE=9, BC=10, and CD=30. What is the length of BE?
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Find the domain of the following expression: 1/(√x)-2

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible