Can you help me on this question?

Use the graph to determine the range. which notations accurately represent the range? check all that apply. (–∞, 2) u (2, ∞) (–∞, –2) u (–2, ∞) {y|y ∈ r, y ≠ –2} {y|y ∈ r, y ≠ 2} y < 2 or y > 2 y < –2 or y > –2

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2