Translate into a proportion. do not solve. 21.6 is what percent of 55

Write a recursive sequence that represents the sequence defined by the following explicit formula:

Two lines that do not intersect are skew. always sometimes or never

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