Can somebody help me with this pleaseee

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

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

1/4x+5=3/4. i can't get access to the answer to this question! and, my request on "contact us" will not go