INEQUALITIES please help me

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Which statements are true about additional information for proving that the triangles are congruent check all that apply