Which sides of quadrilateral PLAN must be parallel? Explain. m∠P = 59,m∠L = 37,m∠A = 143,m∠ N = 121

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Given abcd ac=38 and ae=3x+4 find the value of x

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