Find a solution to the following system of equations. -3x+3y=-9 -3x+y=7

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%