Which pair of numbers has a GCF of 3. 3and 18, 12 and 18, 8 and 24, 1 and 3

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

What is the ratio of the length of an object in yards to the length of the same object in miles?

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10