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
Sam needs 12 weeks.
explanation: if he can do 30 paintings in 4 weeks then find out if 30 can go into 90. since it can when you multiply it by 3, then also multiply 4 by 3 since he needs 3 times more than the original amount. in total, he will need 12 weeks
Answer:
8π = irrational
17/15 = rational
-√16 = rational
√14 = irrational
35, 54 (repeated) = rational
Step-by-step explanation:
Multiply 72×80 or 8. (I'm not sure of its 8 or 80).HOPE THIS HELPS YOU:)