Please help me with this question I don’t understand the picture is in the link if u can help me thank you!!!

Answer:
34
Step-by-step explanation:
Sum means that you add.
column means the first set going verticly.
so 7 + 2 + 11 + 14
9 + 11 + 14
20 + 14
34
Answer:
34, its asking the sum of the 1st column. Sum means you have to add. So you add 7+2+11+14 and get the total of 34.