The Detroit Energy Fund closed at $14.70 on August 21 and $14.98 on August 20. Find the net change as a dollar amount and as a percent change, rounded to the nearest tenth.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field