Awomen is currently 21 years older than her daughter. eleven years before the current time the daughter was two-thirds as old as her mother. what is the current age of the mother?

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 statement best explains why ben uses the width hi to create the arc at j from point k

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?