Select all that apply. a figure is reflected over the y-axis. which of the following are true? the pre-image and image are congruent. the y-coordinates' signs change. the x-coordinates' signs change. the x-axis is the line of reflection.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Which graph has a rate of change of zero

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?