What would your first line of work look like when you substitute one equation into the other? Fill in what expression you would substitute for the x.

x-2y=3
4x-8y=12
4( )-8y=12

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.