For which quadrilateral are the diagonals congruent but do not bisect each other?

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

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning