What is the greatest perimeter of a rectangle with an area of 39 square feet ?

Find two rational expressions that have the difference of 2-n/n-4

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

What is the reflection image of (5,-3) across the line y = -x?