What can be concluded of the graphed polygon? •The slope of side a is -3/5.

•The opposite sides of the polygon are parallel.

•The adjacent sides of the polygon are perpendicular.

•The polygon is a rectangle.

How do you solve a question like this?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Which of the following is the shape of a cross section of the figure shown below