When Sam is 13 his mother will be 39 which is 3 times as old as he is. So Sam's mother will be 3 times as old as Sam will be in 11 years. (Your answer is 11 years.)
Answer:
18, the answer to 8+10 is 18, like you learn in 1st grade
Answer:
4.71cm
Step-by-step explanation:
Answer:

Step-by-step explanation:
