Answer:
A intersection B = ( elements which are common in both)
= ( 2,4,7,19)
A union B = ( all the elements which are either in A or in B).
= ( 2, 4, 7 , 13, 14, 19, 20 , 3, 5, 6, 10,11, 12 , 15,17 , 18 , 19 )
You have to notice the diffence between the numbers
the pattern: going up by 8 s then up by 11 s and up by 23 s
14,22,33,41,64,72
answer for first box:41
answer for second box:72
The angles would be 38.85, 51.19, and 90. I attached a picture showing the steps.
First pic: x=27
second pic: x=15
Answer:
a
Step-by-step explanation:
