Convince me that 15x8 = (15x2) x (8 x 1/2) EXPLAIN THE ANSWER

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

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

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)