Statements 1 and 4 are correct. Let me know if you need more of an explanation. :)
Answer: y = 57°
Explanation: 180-114 = 66°
A triangle has a total of 180° so 180-66 = 114
114 / 2 = 57° (because angles y and y have the same value)
Hope this helps :)
Rate tables are useful because it has something that stands for something else. For example,