70% of the woodland in the county is native woodland. This means there are 350km² of native woodland in the county. Work out the area of woodland in the county that is not native woodland?

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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