Question 2 the answer is 4
Answer:
153 degrees is the measure of the supplementary angle
Vertical angles congruence theorem, then SAS
A composite number is one that can be made by multiply two numbers to each other. Since 49=7*7, 49 is a composite number.
Check:
You can check a multiplication chart, but you will see that 49 is the only one that can be multiplied by 2 numbers