What are the possible values of x in x2 + 3x + 3 = 0?

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

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?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points