PLEASE HELP ME MUST SHOW ALL WORK 5x2 + 2x - 3 = 0

14x2 - 5x - 1 = 0

15x2 - 2x - 1 = 0

6x2 + 11x - 2 = 0

2x2 - 5x - 7 = 0

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

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.