There are two concentric circles in a coordinate plane. the center of the outer circle is (-3,5) and its radius is 7. what is the equation of the inner circle if its radius is 1/3 of the outer circle’s radius? show your work.
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Which of the following of the following sets of side lengths could not form a triangle?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.