Please help


1.) The time, in minutes, that it takes Mark to bake cookies is given by t = 15 + 10d, where d is dozens of cookies. How long would it take Mark to bake 48 cookies?


2.) Kim has a monthly cell phone plan for which she pays $32 for unlimited talk and text. For each 1 GB of data that she uses in the month, she pays an extra $8.


- Create a graph for this situation.

- Use the graph to find how much Kim would pay for using a total of 3 GB of data in one month.


3.) A ferry that carries passengers and vehicles across a channel charges a base rate of $30 per vehicle. The first two passengers are included in this price, but each additional passenger is charged $5. Additionally, the ferry charges more for vehicles over 4,000 pounds. The rate for excess weight is $10 per 500 pounds.


-Write an equation for this situation.

-Find the cost of a truck that weighs 5,000 pounds with three passengers.