Hi, i'm very confusing about this and was wondering if anyone could the first part is the information you need to figure out the problem

What is the solution to the equation in the & show work i’m very

Consider the linear function that is represented by the equation y= 4x+5

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220