algebra 2 help?

Question

15: Solve the inequality for x and use interval notation: 3x – 5 ≤ 10
(5, ∞ )
(-∞ , 5]
[5, ∞ )
(-∞ , 5)


16: Solve the inequality for x and use interval notation: -4x – 3 ≤ 25
(-7, ∞ )
(-∞ , -7]
[-7, ∞ )
(-∞ , -7)


17: Solve the inequality for x and use interval notation: (1/3)x – (2/3) < (1/2)
((7/2), ∞ )
(-∞ , (7/2)]
[(7/2), ∞ )
(-∞ ,(7/2))


18: Solve the inequality for x: -6 < 2x + 4 ≤ 7
-5 < x ≤ (3/2)
-5 ≤ x < (3/2)
-1 < x ≤ (11/2)
-1 ≤ x < (11/2)


19: Solve the inequality for x: 16 < -3x + 4 ≤ 10
-2 < x ≤ 0
-4 > x ≥ 2
-2 ≤ x < 0
-4 > x ≥ -2


20: Solve the inequality for x and graph: 3 ≤ (x – 2)/3 < 4. Your graph contains _______.
"[" on 11, and "]" on 14
"[" on 11, ")" on 14
"(" on 11, ")" on 14
"(" on 11, "]" on 14

Answer 1

15. (5, ∞ )
16. (-∞ , -7)
17. [(7/2), ∞ )
18. -5 ≤ x < (3/2)
19. -2 ≤ x < 0
20. "(" on 11, "]" on 14

Hope this helps.