Need help with math, please help.

4) 7a + 11b

5) i'm not sure

6) 3  (n = 3)

7) i can't see the last ones, but i know that y = 6

i hope this helps

sorry i can't help more :(

Have a great day!

1. 7a-b

2. 6x+50

3. 1

4. y=6

Step-by-step explanation:

just simplify.

tüm duruma (4×4×4 den 64)

(tum durum)-(tum rakamlari farklı olan üç basamaklı sayilar) =en az iki basamağı ayni olan üç basamaklı sayılar