What is the rate of change in y= 2x+3

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle.sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

Someone . me. compound probability

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?