GUYS PLS HELP I HAVE A MATH QUIZ can you do all pls 5 quetions

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.