These 4 options are correct.
Answer:
x = 4
Step-by-step explanation:
Since JB is the bisector of AD and the length of AD is given as 24 we can conclude that AZ is 12 (half of AD)
2x + 4 = 12
2x = 8
x = 4
Step-by-step explanation:

Answer:
90%
Explanation: 27/30 ÷ 3 = 9/10
9/10 ⇒ 9 x 10 = 90%