Answer:
1 71years
Step-by-step explanation:
x+10=81
x=71
2. x+8=49
x=41
3. x+11=100
x=99
Answer:
top right
Step-by-step explanation:
What is it about. I think I can help you just got to explain what you need to do
Not sure about the first one,
The second one is 1/9.
Answer:
-3
Step-by-step explanation: