Perpendicular lines AB and CD Intersect at point E. If m<AED=×+20, wha is the value of x

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?