Please I need your help with those 4 questions and I will mark you brainliest

Can someone me and plz do the problem

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?