Please help and explain ty

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Which statements are true about additional information for proving that the triangles are congruent check all that apply