Answer:
Refer the attachment for the answer
Hope it helps
Please mark me as the brainliest
Thank you
Answer:
Don't subtract exactly or it will be incorrect, you'll have to add the years, and differentiate the leap years
Step-by-step explanation:
30 yrs old
sorry I dont have a shorter method
Answer:

Step-by-step explanation:
difference of a number and 9 means to subtract

twice that means multiply by 2

at least is greater than or equal to

The one on the right is correct. please give brainliest.