algebra 2 help?

Question

1: Write in interval notation: x > 3 AND x ≤ 7
(-∞, 7)
(3, 7]
(-∞, ∞)
(3, ∞)


2: Write in interval notation: 4 > x OR 3 > x
(3, 4)
(-∞, 3)
(-∞, 4)
(-∞, ∞)


3: Write in interval notation: x ≤ -3 AND x > -10
(-10, -3]
(-∞, -3]
[-10, -3)
(-∞, ∞)

Answer 1

1) (3, 7]
2) (-∞, 4)
3) (-10, -3]

Answer 2

1. (3, 7]

2. (-∞, 3)

3. (-10, -3]