What is the inverse and contrapositive:
If three points are not on the same line, then their noncollinear.

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

Find the solution of system of equation y= x-4 y=4x+2

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units