The answer is 28. 7x2=14 and then 14x2=28. Remember PEMDAS
The only complete pattern is the middle one
we see that 38-29=9
so the middle number minus the first number equals the third number
for the last row
21-1=20 so you have 1 21 20
for the first one
17- ?=37
54-17=37 54 17 37
Answer:
Step-by-step explanation:
Answer:
8.1
Step-by-step explanation: