Find the value of x from this question

How many lines can be drawn through points j and k? 0 1 2 3

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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