Can you help me plz and think you

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

Measures of the angle of r, 31 s (x+4) t (3x+9)

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.