If | -250 | is 250,what is the | 250 | ?
A.-250
B.125
C.250
D.500

If a || b and e || f , what if the value of y ?

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

X+y=-4 x-y=2 use elimination with adding and subtraction