Jameis signed up for a cell phone plan that charges an initial monthly fee and a set rate per minute he talks on the phone each month. The equation he was given to calculate his total bill, y, was y = 0.25(x + 20) + 7 where x represents the number of minutes he talks on the phone in one month. Convert the equation into slope-intercept form, and then answer the questions. Enter numbers only, no money signs. a. What is Jameis' initial fee each month?