Which of the four Venn diagrams represent (X U Y)?

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

State if the two triangles are congruent. if they are, state how you know?