for its back to school sale, fredas books marked down its entire stock of classic novels 60% from 4 pm to 6 pm on saturday only. their sale price during this time is 12.99. what will the regular selling price be after 6pm

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?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.