Hannah babysits to earn money. •she charges 6.50$ to babysit for the first hour.
•she charges 5.75$ for each additional hour.
•let n equal the number of hours after the first hour.
Which expression represents how much Hannah charges?​

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )