Im so stuck... please help A fish swims 7 miles an hour. A function, y = 7x can be used to generate an input/output table for this scenario. Which statement is true about an accurate graph of this data?

The data is discrete so the points are connected with a line.
The data is discrete, so the graph is a series of unconnected points.
The data is continuous, so the points are connected with a line.
The data is continuous so it does not matter whether or not the points are in a line.

Mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.