Answer:
4n + 4
Step-by-step explanation:
Azhar - n years old now.
Last year he was (n-1).
His mother was 4(n -1) last year.
Now his mother 4(n-1) + 1.
7 years later she will be 4(n - 1) + 1 + 7 = 4n - 4 + 8 = 4n + 4
Answer:
2
Step-by-step explanation:
10a² : 5a² = 10 : 5 = 2
Answer:
ill say the 8 pack
Step-by-step explanation:
5 years because when you divide 90 by 18 to get how many years it takes the tree to grow to 90 inches tall, you get 5.