How do you find the diameter of a circle?

Use set buikder notation to represent the following set: {, -2, -1, 0}

What describes horizontal cross section of the right rectangle 6m 8m 5m

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