Given that:
Avis Irvine office a dinner special for $25 per person plus a $5 per person tip.
Then for m person the special dinner is $25m and $5 per person tip.
Then the total cost is:
![C=25m+5](https://img.qammunity.org/2023/formulas/mathematics/college/6tcxj96bu9teyvlhfrrwc6rechqn1hnev5.png)
And if we conclude the tip for each m person then the total cost become:
![C=25m+5m](https://img.qammunity.org/2023/formulas/mathematics/college/a7gd3ncp3hag7tho8qq6sp8l5r11l0kdoh.png)
So option A C and D are correct.