Please help please please help me with my work

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days