Arectangle with a width of (5x+2) feet and a length of (2x-1) feet has an area of 100 square feet. what is the rectangles width and length?

Describe all the numbers that when rounded to the nearest thousand are 645,000

Combine like terms to make a simpler expression 3z+z

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