PLSS HELP ASAP!!!
I need to know where she went wrong in solving the equation

Geometry answer picture question pls . reason and statements

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3