What i sthe answer to 6a+5a-b-5b+2a

The value √10 and √15 are plotted on the number line

Graph the equation. select integers for x

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