Anna and Ravi are members of different clubs. Anna's club charges $25 per month. Ravi's club charges $15 per month but has an annual fee of $40. After how many months will Anna and
Ravi have paid the same total amount?

Pls helppp

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Which system of linear inequalities is represented by the graph? !

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?