Xin uses 20 yards of fencing to build the walls of a square chicken coop. Which equation and solution represent x, the length, in yards, of each wall of the square coop?

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20